this end may call on the resources of psychology. There are many proposals for improving intellectual formation: the use of modern teaching methods; a better integration of philosophy and theology; the centrality of Scripture in theological studies; knowledge of other religions. Pastoral formation should be present throughout the course of studies and should include practical experience of ministry. Finally, there should be ongoing formation after ordination.The Adaptation and Renewal of Religious Life – The decree Perfectae Caritatis ("Of perfect charity", 1965) deals with the adaptation of religious life to modern conditions. The decree presupposes the theology of the religious life found in chapter 6 of the Constitution on the Church (Lumen Gentium), to which it adds guidelines for renewal. The two basic principles that should guide this renewal are: “the constant return [...] to the original spirit of the institutes and their adaptation to the changed conditions of our time” (PC 2). The decree deals mainly with religious orders, also known as religious institutes (whose members take vows and live a communal life), but touches also societies of common life (whose members take no vows but live a communal life) and secular institutes (whose members take vows but do not share a communal life). The decree restates well-known views on the religious life, such as the consecrated life as a life of following Christ, the importance of the three vows of poverty, chastity and obedience, and the importance of charity in the life of an order. To these it adds a call for every order, whether contemplative or active, to renew itself, as well as specific proposals for adaptation to new conditions, such as the simplification of the religious habit, the importance of education for members of all religious orders (and not just priests), and the need for poverty not just for individual members but for each order as a whole.The Apostolate of the Laity – The decree Apostolicam actuositatem ("Apostolic Activity", 1965) declares that the apostolate of the laity is "not only to bring the message and grace of Christ to men but also to penetrate and perfect the temporal order with the spirit of the Gospel", in every field of life, together or through various groups, with respectful cooperation with the Church's hierarchy.The Eastern Catholic Churches – The decree Orientalium Ecclesiarum ("Of the Eastern Churches", 1964) deals with the Eastern Catholic Churches, those communities that are in full