The Apostles chose men to be bishops to succeed them and handed on to them “what they received from Jesus’ teaching and example and what they learned from the Holy Spirit” (CCC, no. 83). The pope and bishops in union with him are successors of the Apostles and inherit the responsibility of authoritative teaching from them. We call this teaching office the Magisterium. “The task of giving an authentic interpretation of the Word of God, whether in its written form or in the form of Tradition, has been entrusted to the living, teaching office of the Church alone” (CCC, no. 85, citing DV, no. 10).
All the faithful share in understanding and handing on revealed truth. “The whole body of the faithful cannot err . . . in matters of belief. This characteristic is shown in the supernatural appreciation of faith (sensus fidei) on the part of the whole people, when, ‘from the bishops to the last of the faithful,’ they manifest a universal consent in matters of faith and morals” (CCC, no. 92, citing Second Vatican Council, Dogmatic Constitution on the Church [Lumen Gentium; LG], no. 12). Another way of understanding this truth is the principle that the Holy Spirit, dwelling in the Church, draws the whole body of the faithful to believe what truly belongs to the faith. “By this appreciation of the faith, aroused and sustained by the Spirit of truth, the People of God, guided by the sacred teaching authority (magisterium), and obeying it, receives not the mere word of men, but truly the word of God (cf. 1 Thes 2:13), the faith once for all delivered to the saints (cf. Jude 3)” (LG, no. 12).
You can read more from the United States Catholic Catechism for Adults, order your own copy, or read questions about it at the United States Conference of Catholic Bishops website.
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