The Church is Apostolic because she is founded on the Apostles, in three ways: - she was and Remains built on "the Foundation of the Apostles," 362 The Witnesses Chosen and sent on Mission by Christ himself; 363 - with the Help of the Spirit dwelling in her, the Church keeps and Hands on the teaching, 364 The "good deposit," the salutary words she has heard from the apostles; 365 - she continues to be taught, sanctified, and guided by the apostles until Christ's Return, through their successors in pastoral Office: the college of Bishops, "assisted by Priests, in Union with the successor of Peter, the Church's supreme pastor": 366