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85-642: Christopher Clavius , SJ (25 March 1538 – 6 February 1612) was a Jesuit German mathematician , head of mathematicians at the Collegio Romano , and astronomer who was a member of the Vatican commission that accepted the proposed calendar invented by Aloysius Lilius , that is known as the Gregorian calendar . Clavius would later write defences and an explanation of the reformed calendar, including an emphatic acknowledgement of Lilius' work. In his last years he

170-612: A Latinization of his original German name, suggesting that his name may have been Schlüssel (German for 'key', which is clavis in Latin). Clavius joined the Jesuit order in 1555. He attended the University of Coimbra in Portugal , where it is possible that he had some kind of contact with the famous mathematician Pedro Nunes ( Petrus Nonius ). Following this he went to Italy and studied theology at

255-457: A centralised organization and stressed acceptance of any mission to which the pope might call them. His main principle became the unofficial Jesuit motto: Ad Maiorem Dei Gloriam ("For the greater glory of God"). This phrase is designed to reflect the idea that any work that is not evil can be meritorious for the spiritual life if it is performed with this intention, even things normally considered of little importance. The Society of Jesus

340-536: A few key activities. First, they founded schools throughout Europe. Jesuit teachers were trained in both classical studies and theology , and their schools reflected this. These schools taught with a balance of Aristotelian methods with mathematics. Second, they sent out missionaries across the globe to evangelize those peoples who had not yet heard the Gospel , founding missions in widely diverse regions such as modern-day Paraguay , Japan, Ontario , and Ethiopia . One of

425-613: A long and very detailed account of the country and its religion as well as treatises in Tibetan that attempted to refute key Buddhist ideas and establish the truth of Catholic Christianity. Jesuit missions in the Americas became controversial in Europe, especially in Spain and Portugal where they were seen as interfering with the proper colonial enterprises of the royal governments. The Jesuits were often

510-504: A partner or comrade. From this came "Society of Jesus" (SJ) by which they would be known more widely. Religious orders established in the medieval era were named after particular men: Francis of Assisi (Franciscans); Domingo de Guzmán , later canonized as Saint Dominic (Dominicans); and Augustine of Hippo (Augustinians). Ignatius of Loyola and his followers appropriated the name of Jesus for their new order, provoking resentment by other orders who considered it presumptuous. The resentment

595-638: A place of study in Louvain (1614). This was the earliest foundation of what would later be called Heythrop College . Campion Hall , founded in 1896, has been a presence within Oxford University since then. 16th and 17th-century Jesuit institutions intended to train priests were hotbeds for the persecution of Catholics in Britain, where men suspected of being Catholic priests were routinely imprisoned, tortured, and executed. Jesuits were among those killed, including

680-506: A professor during his time at the College. The exact number of students that Clavius taught is unclear, but in a letter from Christoph Grienberger to Clavius in 1595, it is stated that at that time, Clavius had around ten students. The exact structure of the courses and how they were taught is unclear. There has been no evidence to show whether the students he taught shared classes or the specific material he chose to cover. The purpose for founding

765-619: A sound footing, introducing the Tridentine Reforms and finding suitable men to fill vacant sees. He established a house of religious women in Limerick known as the Menabochta ("poor women" ) and in 1565 preparations began for establishing a school at Limerick. At his instigation, Richard Creagh , a priest of the Diocese of Limerick, was persuaded to accept the vacant Archdiocese of Armagh , and

850-404: A special obedience to the sovereign pontiff in regard to the missions" to the effect that a Jesuit is expected to be directed by the pope " perinde ac cadaver " ("as if he was a lifeless body") and to accept orders to go anywhere in the world, even if required to live in extreme conditions. This was so because Ignatius, its leading founder, was a nobleman who had a military background. Accordingly,

935-638: A thief or noted evildoer". After being court-martialled by the Lord President of Munster, Sir John Perrot , he was sentenced to be hanged, drawn, and quartered for treason and refused pardon in return for swearing the Act of Supremacy . His execution was carried out on 25 October 1572 and a report of it was sent by Fitzmaurice to the Jesuit Superior General in 1576, where he said that Daniel was "cruelly killed because of me". Clavius (crater) Clavius

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1020-559: A time been predominantly Protestant, notably Poland and Lithuania . Today, Jesuit colleges and universities are located in over one hundred nations around the world. Under the notion that God can be encountered through created things and especially art, they encouraged the use of ceremony and decoration in Catholic ritual and devotion. Perhaps as a result of this appreciation for art, coupled with their spiritual practice of "finding God in all things", many early Jesuits distinguished themselves in

1105-634: Is a member of a Society founded chiefly for this purpose: to strive especially for the defence and propagation of the faith and for the progress of souls in Christian life and doctrine, by means of public preaching, lectures and any other ministration whatsoever of the Word of God, and further by means of retreats, the education of children and unlettered persons in Christianity, and the spiritual consolation of Christ's faithful through hearing confessions and administering

1190-418: Is classified among institutes as an order of clerks regular , that is, a body of priests organized for apostolic work, and following a religious rule. The term Jesuit (of 15th-century origin, meaning "one who used too frequently or appropriated the name of Jesus") was first applied to the society in reproach (1544–1552). The term was never used by Ignatius of Loyola, but over time, members and friends of

1275-759: Is consecrated under the patronage of Madonna della Strada , a title of the Blessed Virgin Mary , and it is led by a superior general . The headquarters of the society, its general curia , is in Rome. The historic curia of Ignatius is now part of the Collegio del Gesù attached to the Church of the Gesù , the Jesuit mother church . Members of the Society of Jesus make profession of "perpetual poverty, chastity, and obedience" and "promise

1360-399: Is from very small asteroid strikes, such as a rubble pile from a much more massive "parent" asteroid collision. Pulled apart in its descent to the lunar surface similar to Comet Shoemaker–Levy 9 , and hitting the surface in a modest dispersal area with a small mass at low, oblique impact angle and bouncing could allow some water to remain in the lithic matrix. The carbonaceous chondrite class

1445-476: Is now the Gregorian calendar used worldwide. Within the Jesuit order, Clavius was almost single-handedly responsible for the adoption of a rigorous mathematics curriculum in an age where mathematics was often ridiculed by philosophers as well as fellow Jesuits like Benito Pereira . In logic , Clavius' Law (inferring of the truth of a proposition from the inconsistency of its negation) is named after him. He used

1530-464: Is often water-rich, and the CI sub group are as much as 22% water. Notable nearby craters include Scheiner to the west; Blancanus to the southwest; Maginus in the northeast, and Longomontanus to the northwest. The crater Rutherfurd lies entirely within the southeastern rim, while Porter overlays the northeast wall. The smaller crater Clavius L lies across the western rim while Clavius K breaks through

1615-498: Is one of the largest craters of Nectarian age. Clavius' location toward the southern limb of the Moon causes it to appear oblong due to foreshortening. Its great size makes it visible to the unaided eye as a prominent notch in the terminator about one to two days after the Moon reaches first quarter. It has a low outer wall in comparison to its size and is heavily worn and pock-marked by craterlets. The rim does not significantly overlook

1700-575: Is the founding document of the Society of Jesus as an official Catholic religious order. Ignatius was chosen as the first Superior General . Paul III's bull had limited the number of its members to sixty. This limitation was removed through the bull Exposcit debitum of Julius III in 1550. In 1543, Peter Canisius entered the Company. Ignatius sent him to Messina, where he founded the first Jesuit college in Sicily . Ignatius laid out his original vision for

1785-902: The Spiritual Exercises to help others follow the teachings of Jesus Christ . On 15 August 1534, Ignatius of Loyola (born Íñigo López de Loyola), a Spaniard from the Basque city of Loyola , and six others mostly of Castilian origin, all students at the University of Paris , met in Montmartre outside Paris, in a crypt beneath the church of Saint Denis , now Saint Pierre de Montmartre , to pronounce promises of poverty, chastity, and obedience. Ignatius' six companions were: Francisco Xavier from Navarre ( modern Spain ), Alfonso Salmeron , Diego Laínez , Nicolás Bobadilla from Castile ( modern Spain ), Peter Faber from Savoy , and Simão Rodrigues from Portugal . The meeting has been commemorated in

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1870-663: The Counter-Reformation and, later, in the implementation of the Second Vatican Council . Jesuit missionaries established missions around the world from the 16th to the 18th century and had both successes and failures in Christianizing the native peoples. The Jesuits have always been controversial within the Catholic Church and have frequently clashed with secular governments and institutions. Beginning in 1759,

1955-700: The First Nations and Native American languages they had learned. For instance, before his death in 1708, Jacques Gravier , vicar general of the Illinois Mission in the Mississippi River valley, compiled a Miami–Illinois –French dictionary , considered the most extensive among works of the missionaries. Extensive documentation was left in the form of The Jesuit Relations , published annually from 1632 until 1673. Whereas Jesuits were active in Britain in

2040-848: The Jesuit Order or the Jesuits ( / ˈ dʒ ɛ ʒ u ɪ t s , ˈ dʒ ɛ zj u -/ JEZH -oo-its, JEZ -ew- ; Latin: Iesuitae ), is a religious order of clerics regular of pontifical right for men in the Catholic Church headquartered in Rome. It was founded in 1540 by Ignatius of Loyola and six companions, with the approval of Pope Paul III . The society is engaged in evangelization and apostolic ministry in 112 nations. Jesuits work in education, research, and cultural pursuits. Jesuits also conduct retreats, minister in hospitals and parishes, sponsor direct social and humanitarian ministries, and promote ecumenical dialogue . The Society of Jesus

2125-512: The Kangxi Emperor and many Jesuit converts that Chinese veneration of ancestors and Confucius was a nonreligious token of respect, Pope Clement XI 's papal decree Cum Deus Optimus ruled that such behavior constituted impermissible forms of idolatry and superstition in 1704; his legate Tournon and Bishop Charles Maigrot of Fujian, tasked with presenting this finding to the Kangxi Emperor , displayed such extreme ignorance that

2210-646: The Liturgy of Hours in common) allowed them to be flexible and meet diverse needs arising at the time. After much training and experience in theology, Jesuits went across the globe in search of converts to Christianity. Despite their dedication, they had little success in Asia, except in the Philippines . For instance, early missions in Japan resulted in the government granting the Jesuits

2295-672: The Martyrium of Saint Denis, Montmartre . They called themselves the Compañía de Jesús , and also Amigos en El Señor or "Friends in the Lord", because they felt "they were placed together by Christ." The name "company" had echoes of the military (reflecting perhaps Ignatius' background as Captain in the Spanish army) as well as of discipleship (the "companions" of Jesus). The Spanish "company" would be translated into Latin as societas like in socius ,

2380-603: The Petrine primacy and the priority of the Mass amongst the sacraments with his students and congregation, and that his sermons should emphasize obedience to secular princes if he wished to avoid arrest. The number of scholars in their care was very small. An early example of a school play in Ireland is sent in one of Good's reports, which was performed on the Feast of St. John in 1566. The school

2465-484: The Protestant Reformation throughout Catholic Europe. Ignatius and the early Jesuits did recognize, though, that the hierarchical church was in dire need of reform. Some of their greatest struggles were against corruption, venality , and spiritual lassitude within the Catholic Church. Ignatius insisted on a high level of academic preparation for the clergy in contrast to the relatively poor education of much of

2550-604: The Scholastic structure of Catholic thought. This method of teaching was important in the context of the Scientific Revolution, as these universities were open to teaching new scientific and mathematical methodology. Further, many important thinkers of the Scientific Revolution were educated by Jesuit universities. In addition to the teachings of faith , the Jesuit Ratio Studiorum (1599) would standardize

2635-476: The Spiritual Exercises . During a four-week period of silence, individuals undergo a series of directed meditations on the purpose of life and contemplations on the life of Christ. They meet regularly with a spiritual director who guides their choice of exercises and helps them to develop a more discerning love for Christ. The retreat follows a "Purgative-Illuminative-Unitive" pattern in the tradition of

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2720-498: The decimal point in the goniometric tables of his astrolabium in 1593 and he was one of the first who used it in this way in the West. Clavius wrote a commentary on the most important astronomical textbook of the late Middle Ages, De Sphaera of Johannes de Sacrobosco . The commentary by Clavius was one of the most influential astronomy textbooks of its time and had at least 16 editions between 1570 and 1618, with Clavius himself revising

2805-518: The 16th and 17th centuries introduced Western science and astronomy, then undergoing its own revolution , to China. The scientific revolution brought by the Jesuits coincided with a time when scientific innovation had declined in China: [The Jesuits] made efforts to translate western mathematical and astronomical works into Chinese and aroused the interest of Chinese scholars in these sciences. They made very extensive astronomical observation and carried out

2890-576: The 16th century, due to the persecution of Catholics in the Elizabethan times, an English province was only established in 1623. The first pressing issue for early Jesuits in what today is the United Kingdom was to establish places for training priests. After an English College was opened in Rome (1579), a Jesuit seminary was opened at Valladolid (1589), then one in Seville (1592), which culminated in

2975-571: The Academy as an official course at the Collegio Romano, but there was opposition from the philosophers at the College. The Academy remained an unofficial curriculum until 1593 or 1594. Upon its eventual founding, the Academy required nomination by the Professor of Mathematics for admission. Clavius taught the advanced course within the Academy, but little is known about his specific teachings and work as

3060-410: The Academy of Mathematics until 1610 in an official capacity and for two more years until 1612 in an informal role. The Academy existed in an informal capacity for many years before Clavius arrived in Rome in 1561. However, in 1580 in his document titled Ordo servandus in addiscendis disciplinis mathematicis, Clavius described a detailed curriculum for mathematics to have the College officially recognize

3145-475: The Academy was to train technical specialists, to expand the pedagogical corps to support the growing need for professors, as the number of colleges at the time was rapidly increasing, as well as the training of missionaries in order to support their efforts in remote places. With the purpose of the Academy clear, most of what Clavius and his students did in the Academy is unknown. This lack of detailed information has led to most of what Clavius did during his years at

3230-482: The Academy. The curriculum he proposed contained three different curricula aiming to educate new Jesuits in mathematics. The curriculum contained three different courses: one year, a two-year, and a three-year. The course material to be covered were optics , statics , astronomy, and acoustics , emphasizing mathematics. His request was eventually denied, but nonetheless he was given the title of Professor of Mathematics. Clavius made another attempt in 1586 to establish

3315-576: The Catholic Church expelled Jesuits from most countries in Europe and from European colonies. Pope Clement XIV officially suppressed the order in 1773. In 1814, the Church lifted the suppression. Ignatius of Loyola , a Basque nobleman from the Pyrenees area of northern Spain, founded the society after discerning his spiritual vocation while recovering from a wound sustained in the Battle of Pamplona . He composed

3400-439: The College falling into obscurity. Clavius and Galileo Galilei often shared correspondence during his time at the College, discussing proofs and theories. It is likely that while running the Academy, he was also writing to Galileo and sharing his notes from the College's logic course to help Galileo in his endeavors to be able to adequately explain and demonstrate his ideas to others, which is something Galileo had struggled with in

3485-752: The Japanese Language", a Japanese–Portuguese dictionary written 1603); Vietnamese (Portuguese missionaries created the Vietnamese alphabet , which was later formalized by Avignon missionary Alexandre de Rhodes with his 1651 trilingual dictionary ); Tupi (the main language of Brazil); and the pioneering study of Sanskrit in the West by Jean François Pons in the 1740s. Jesuit missionaries were active among indigenous peoples in New France in North America, many of them compiling dictionaries or glossaries of

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3570-637: The Jesuit Collegio Romano in Rome . He was ordained in 1564, and 15 years later was assigned to compute the basis for a reformed calendar that would stop the slow process in which the Church's holidays were drifting relative to the seasons of the year. Using the Prussian Tables of Erasmus Reinhold and building on the work of Aloysius Lilius, he proposed a calendar reform that was adopted in 1582 in Catholic countries by order of Pope Gregory XIII and

3655-681: The Pope, and the Ottoman Empire , had rendered any journey to Jerusalem impossible. Again in 1540, they presented the project to Paul III. After months of dispute, a congregation of cardinals reported favourably upon the Constitution presented, and Paul III confirmed the order through the bull Regimini militantis ecclesiae ("To the Government of the Church Militant"), on 27 September 1540. This

3740-544: The Portuguese Province to agree a surety for the ransom of Wolfe, who was quickly banished on release. Daniel returned to Ireland the following year, but was immediately captured and incriminating documents were found on his person, which were taken as proof of his involvement with the rebellious cousin of the Earl of Desmond , James Fitzmaurice and a Spanish plot. He was removed from Limerick, taken to Cork "just as if he were

3825-449: The call for the society's suppression. Jesuit priests such as Manuel da Nóbrega and José de Anchieta founded several towns in Brazil in the 16th century, including São Paulo and Rio de Janeiro , and were very influential in the pacification, religious conversion , and education of indigenous nations. They also built schools, organized people into villages, and created a writing system for

3910-631: The city for eight months, before moving to Kilmallock in December 1565 under the protection of the Earl of Desmond, where they lived in more comfort than the primitive conditions they experienced in the city. However they were unable to support themselves at Kilmallock and three months later they returned to the city in Easter 1566, and strangely set up their house in accommodation owned by the Lord Deputy of Ireland, which

3995-436: The city in very bad health, but had recovered due to the kindness of the people. They established contact with Wolfe, but were only able to meet with him at night, as the English authorities were attempting to arrest the legate. Wolfe charged them initially with teaching to the boys of Limerick, with an emphasis on religious instruction, and Good translated the catechism from Latin into English for this purpose. They remained in

4080-410: The clergy of his time. The Jesuit vow against "ambitioning prelacies" can be seen as an effort to counteract another problem evidenced in the preceding century. Ignatius and the Jesuits who followed him believed that the reform of the church had to begin with the conversion of an individual's heart. One of the main tools the Jesuits have used to bring about this conversion is the Ignatian retreat, called

4165-440: The emperor mandated the expulsion of Christian missionaries unable to abide by the terms of Ricci's Chinese catechism. Tournon's summary and automatic excommunication for any violators of Clement's decree  – upheld by the 1715 bull Ex Illa Die  – led to the swift collapse of all the missions in China; the last Jesuits were finally expelled after 1721. The first Jesuit school in Ireland

4250-449: The end of 1568 the Anglican Bishop of Meath, Hugh Brady , was sent to Limerick charged with a Royal Commission to seek out and expel the Jesuits. Daniel was immediately ordered to quit the city and went to Lisbon, where he resumed his studies with the Portuguese Jesuits. Good moved on to Clonmel , before establishing himself at Youghal until 1577. In 1571, after Wolfe had been captured and imprisoned at Dublin Castle , Daniel persuaded

4335-428: The feudal fiefdom of Nagasaki in 1580. This was removed in 1587 due to fears over their growing influence. Jesuits did, however, have much success in Latin America. Their ascendancy in societies in the Americas accelerated during the seventeenth century, wherein Jesuits created new missions in Peru , Colombia , and Bolivia ; as early as 1603, there were 345 Jesuit priests in Mexico alone. Francis Xavier , one of

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4420-440: The first Roman-style academic institution in the East, St. Paul Jesuit College in Macau , China. Founded by Alessandro Valignano , it had a great influence on the learning of Eastern languages (Chinese and Japanese) and culture by missionary Jesuits, becoming home to the first western sinologists such as Matteo Ricci . Jesuit efforts in Goa were interrupted by the expulsion of the Jesuits from Portuguese territories in 1759 by

4505-553: The first modern cartographic work in China. They also learned to appreciate the scientific achievements of this ancient culture and made them known in Europe. Through their correspondence, European scientists first learned about the Chinese science and culture. For over a century, Jesuits such as Michele Ruggieri , Matteo Ricci , Diego de Pantoja , Philippe Couplet , Michal Boym , and François Noël refined translations and disseminated Chinese knowledge , culture , history , and philosophy to Europe. Their Latin works popularized

4590-484: The floor and the low size of the central peaks may indicate that the crater surface was formed some time after the original impact. In October 2020, NASA confirmed the existence of molecular water near Clavius, at concentrations of up to 412 parts per million. The water could be trapped into tiny beadlike structures in the soil that form out of the high heat created by micrometeorite impacts. The water might also be sheltered between lunar soil grains. Another possibility

4675-442: The late Renaissance were significant in their roles both as a missionary order and as the first religious order to operate colleges and universities as a principal and distinct ministry. By the time of Ignatius' death in 1556, the Jesuits were already operating a network of 74 colleges on three continents. A precursor to liberal education , the Jesuit plan of studies incorporated the Classical teachings of Renaissance humanism into

4760-415: The local languages of Brazil. José de Anchieta and Manuel da Nóbrega were the first Jesuits that Ignacio de Loyola sent to the Americas. Jesuit scholars working in foreign missions were very dedicated in studying the local languages and strove to produce Latinized grammars and dictionaries . This included: Japanese (see Nippo jisho , also known as Vocabvlario da Lingoa de Iapam , "Vocabulary of

4845-419: The name " Confucius " and had considerable influence on the Deists and other Enlightenment thinkers, some of whom were intrigued by the Jesuits' attempts to reconcile Confucian morality with Catholicism . Upon the arrival of the Franciscans and other monastic orders, Jesuit accommodation of Chinese culture and rituals led to the long-running Chinese Rites controversy . Despite the personal testimony of

4930-505: The namesake of Campion Hall, as well as Brian Cansfield, Ralph Corbington , and many others. A number of them were canonized among the Forty Martyrs of England and Wales . Four Jesuit churches remain today in London alone, with three other places of worship remaining extant in England and two in Scotland . The Jesuits first entered China through the Portuguese settlement on Macau , where they settled on Green Island and founded St. Paul's College . The Jesuit China missions of

5015-431: The new discoveries as genuine, though he retained doubts about the reality of the mountains on the Moon and said he could not see the four Jupiter's satellites through the telescope. Later, a large crater on the Moon was named in his honor. During his time at Collegio Romano Clavius served as the head of the mathematicians , a public professor of mathematics, and as the Director of Advanced Instruction and Research at

5100-428: The new order in the "Formula of the Institute of the Society of Jesus", which is "the fundamental charter of the order, of which all subsequent official documents were elaborations and to which they had to conform". He ensured that his formula was contained in two papal bulls signed by Pope Paul III in 1540 and by Pope Julius III in 1550. The formula expressed the nature, spirituality, community life, and apostolate of

5185-455: The new religious order. Its famous opening statement echoed Ignatius' military background: Whoever desires to serve as a soldier of God beneath the banner of the Cross in our Society, which we desire to be designated by the Name of Jesus, and to serve the Lord alone and the Church, his spouse, under the Roman Pontiff, the Vicar of Christ on earth, should, after a solemn vow of perpetual chastity, poverty and obedience, keep what follows in mind. He

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5270-446: The only force standing between the Indigenous and slavery . Together throughout South America but especially in present-day Brazil and Paraguay , they formed Indigenous Christian city-states, called " reductions ". These were societies set up according to an idealized theocratic model. The efforts of Jesuits like Antonio Ruiz de Montoya to protect the natives from enslavement by Spanish and Portuguese colonizers would contribute to

5355-402: The opening lines of the founding document declared that the society was founded for "whoever desires to serve as a soldier of God, to strive especially for the defense and propagation of the faith, and for the progress of souls in Christian life and doctrine". Jesuits are thus sometimes referred to colloquially as "God's soldiers", "God's marines", or "the Company". The society participated in

5440-547: The opposition; there were already congregations named after the Trinity and as "God's daughters". In 1537, the seven travelled to Italy to seek papal approval for their order . Pope Paul III gave them a commendation, and permitted them to be ordained priests. These initial steps led to the official founding in 1540. They were ordained in Venice by the bishop of Arbe (24 June). They devoted themselves to preaching and charitable work in Italy . The Italian War of 1536–1538 renewed between Charles V, Holy Roman Emperor , Venice,

5525-445: The original companions of Loyola , arrived in Goa ( Portuguese India ) in 1541 to carry out evangelical service in the Indies. In a 1545 letter to John III of Portugal, he requested an Inquisition to be installed in Goa to combat heresies like crypto-Judaism and crypto-Islam. Under Portuguese royal patronage , Jesuits thrived in Goa and until 1759 successfully expanded their activities to education and healthcare. In 1594 they founded

5610-418: The original seven arrived in India already in 1541. Finally, though not initially formed for the purpose, they aimed to stop Protestantism from spreading and to preserve communion with Rome and the pope . The zeal of the Jesuits overcame the movement toward Protestantism in the Polish–Lithuanian Commonwealth and southern Germany . Ignatius wrote the Jesuit Constitutions , adopted in 1553, which created

5695-403: The other sacraments. Moreover, he should show himself ready to reconcile the estranged, compassionately assist and serve those who are in prisons or hospitals, and indeed, to perform any other works of charity, according to what will seem expedient for the glory of God and the common good. In fulfilling the mission of the "Formula of the Institute of the Society", the first Jesuits concentrated on

5780-575: The past, specifically when trying to convince Clavius of his methods. Following his death in 1612, informal courses in the Academy continued at the College. However, due to the lack of mention of mathematicians in the College's catalog after 1615, it appears the Academy's official recognition by the Collegio Romano ended soon after Christopher Clavius's death. Clavius' complete mathematical works (5 volumes, Mainz, 1611–1612) are available online . Society of Jesus The Society of Jesus ( Latin : Societas Iesu ; abbreviation: SJ ), also known as

5865-487: The powerful Marquis of Pombal , Secretary of State in Portugal. The Portuguese Jesuit António de Andrade founded a mission in Western Tibet in 1624 (see also " Catholic Church in Tibet "). Two Jesuit missionaries, Johann Grueber and Albert Dorville , reached Lhasa , in Tibet, in 1661. The Italian Jesuit Ippolito Desideri established a new Jesuit mission in Lhasa and Central Tibet (1716–21) and gained an exceptional mastery of Tibetan language and culture, writing

5950-440: The sacraments to the public. In late 1568 the Castle Lane School, in the presence of Daniel and Good, was attacked and looted by government agents sent by Sir Thomas Cusack during the pacification of Munster. The political and religious climate had become more uncertain in the lead up to Pope Pius V 's formal excommunication of Queen Elizabeth I , which resulted in a new wave of repression of Catholicism in England and Ireland. At

6035-414: The society adopted the name with a positive meaning. While the order is limited to men, Joanna of Austria, Princess of Portugal , favored the order and she is reputed to have been admitted surreptitiously under a male pseudonym. The Jesuits were founded just before the Council of Trent (1545–1563) and ensuing Counter-Reformation that would introduce reforms within the Catholic Church, and so counter

6120-473: The south then arcs across the floor in a counterclockwise direction forming a sequence of ever diminishing diameters. From largest to smallest, these craters are designated Clavius D, C, N, J, and JA. This sequence of diminishing craters has proved a useful tool for amateur astronomers who want to test the resolution of their small telescopes . The crater floor retains a remnant of a central massif, which lies between Clavius C and N. The relative smoothness of

6205-521: The spirituality of John Cassian and the Desert Fathers . Ignatius' innovation was to make this style of contemplative mysticism available to all people in active life. Further, he used it as a means of rebuilding the spiritual life of the church. The Exercises became both the basis for the training of Jesuits and one of the essential ministries of the order: giving the exercises to others in what became known as "retreats". The Jesuits' contributions to

6290-435: The study of Latin , Greek , classical literature, poetry, and philosophy as well as non-European languages, sciences, and the arts. Furthermore, Jesuit schools encouraged the study of vernacular literature and rhetoric , and thereby became important centres for the training of lawyers and public officials. The Jesuit schools played an important part in winning back to Catholicism a number of European countries which had for

6375-419: The surrounding terrain making it a "walled depression". The inner surface of the rim is hilly, notched and varies in width with the steepest portion to the south. The rim has been observed to have a somewhat polygonal outline overall. The floor of Clavius forms a convex plain that is marked by some interesting crater impacts. The most notable of these is a curving chain of craters that begins with Rutherfurd in

6460-421: The text seven times and in each case greatly expanding it. In the 1585 edition of his aforementioned commentary he located (independently of Tycho Brahe ) the nova from 1572 in the fixed stars sphere (in the constellation of Cassiopeia ) and found that the position of the nova was exactly the same for all observers. That meant that it had to be beyond the Moon, and the doctrine that the heavens could not change

6545-467: The third class learned Donatus by heart, though translated into English rather than through Latin. Young boys in the fourth class were taught to read. Progress was slow because there were too few teachers to conduct classes simultaneously. In the spirit of Ignatius' Roman College founded 14 years before, no fee was requested from pupils, though as a result the two Jesuits lived in very poor conditions and were very overworked with teaching and administering

6630-471: The visual and performing arts as well as in music. The theater was a form of expression especially prominent in Jesuit schools. Jesuit priests often acted as confessors to kings during the early modern period . They were an important force in the Counter-Reformation and in the Catholic missions, in part because their relatively loose structure (without the requirements of living and celebration of

6715-512: Was conducted in one large aula, but the students were divided into distinct classes. Good gives a highly detailed report of the curriculum taught and the top class studied the first and second parts of Johannes Despauterius 's Commentarli grammatici, and read a few letters of Cicero or the dialogues of Frusius (André des Freux, SJ). The second class committed Donatus' texts in Latin to memory and read dialogues as well as works by Ēvaldus Gallus. Students in

6800-468: Was consecrated at Rome in 1564. This early Limerick school, Crescent College , operated in difficult circumstances. In April 1566, William Good sent a detailed report to Rome of his activities via the Portuguese Jesuits. He informed the Jesuit superior general that he and Edmund Daniel had arrived at Limerick city two years beforehand and their situation there had been perilous. Both had arrived in

6885-420: Was conveyed to them by certain influential friends. They recommenced teaching at Castle Lane, and imparting the sacraments, though their activities were restricted by the arrival of Royal Commissioners. Good reported that as he was an Englishman, English officials in the city cultivated him and he was invited to dine with them on a number of occasions, though he was warned to exercise prudence and avoid promoting

6970-466: Was established at Limerick by the apostolic visitor of the Holy See , David Wolfe . Wolfe had been sent to Ireland by Pope Pius IV with the concurrence of the third Jesuit superior general, Diego Laynez . He was charged with setting up grammar schools "as a remedy against the profound ignorance of the people". Wolfe's mission in Ireland initially concentrated on setting the sclerotic Irish Church on

7055-577: Was probably the most respected astronomer in Europe and his textbooks were used for astronomical education for over fifty years in and even out of Europe. Little is known about Clavius' early life other than the fact that he was born in Bamberg in either 1538 or 1537. His given name is not known to any great degree of certainty—it is thought by scholars to have perhaps been Christoph Clau or Klau . There are also some who think that his taken name, Clavius , may be

7140-539: Was proven false. As an astronomer Clavius held strictly to the geocentric model of the solar system, in which all the heavens rotate about the Earth . Though he opposed the heliocentric model of Copernicus , he recognized problems with the Ptolemaic model. He was treated with great respect by Galileo , who visited him in 1611 and discussed the new observations being made with the telescope ; Clavius had by that time accepted

7225-580: Was recorded by Jesuit José de Acosta of a conversation with the Archbishop of Santo Domingo. In the words of one historian: "The use of the name Jesus gave great offense. Both on the Continent and in England, it was denounced as blasphemous; petitions were sent to kings and to civil and ecclesiastical tribunals to have it changed; and even Pope Sixtus V had signed a Brief to do away with it." But nothing came of all

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