, "Pope Francis reaches out to Jews", m, Retrieved emacopoulos, George., "The extraordinary historical significance of His Holiness' presence at Pope Francis' installation as Bishop of Rome", Archon News (Order. Originally published 2009 by Allen Lane, as A History of Christianity MacCulloch, Diarmaid (2003). 315 Scholastic theologians and philosophers such as the Dominican priest Thomas Aquinas studied and taught at these studia. Pirenne, Henri (1980) 1925. 298 The resulting religious discord between Germanic rulers and Catholic subjects 299 was avoided when, in 497, Clovis I, the Frankish ruler, converted to orthodox Catholicism, allying himself with the papacy and the monasteries. In his encyclical Humanae vitae 247 (1968 Pope Paul VI firmly rejected all contraception, thus contradicting dissenters in the church that saw the birth control pill as an ethically justifiable method of contraception, though he permitted the regulation. 78 Catholics represent about half of all Christians. 43 Canon law Main article: Canon law of the Catholic Church See also: Catholic Church Liturgy The canon law of the Catholic Church is the system of laws and legal principles made and enforced by the hierarchical authorities to regulate the church's. 112 The church sees its liturgy and sacraments as perpetuating the graces achieved through Christ's sacrifice to strengthen a person's relationship with Christ and aid in overcoming sin. Archived from the original on Retrieved b "Popular Devotions". 1039 :.The Last Judgment will reveal even to its furthest consequences the good each person has done or failed to do during his earthly lifeZ Schreck,. ( official text Archived t the Wayback Machine ). Others live in the way prescribed for all by the moral law, whether they are married or single." (CDF, Persona humana.) Married people are called to live conjugal chastity; others practise chastity in continence: "There are three. Retrieved " Compendium of the CCC, 316". Archived from the original on Retrieved British Foreign and Commonwealth Office. 59 The Eastern Catholic Churches follow the traditions and spirituality of Eastern Christianity and are Churches that have always remained in full communion with the Catholic Church or who have chosen to reenter full communion in the centuries following the EastWest Schism and earlier divisions. Retrieved " Western Catholic Liturgics/Early Western Liturgics ".