Compendium of the Catechism of the Catholic Church
12. What is Apostolic Tradition? 75-79, 83, 96, 98
Apostolic Tradition is the transmission of the message of Christ, brought about from the very beginnings of Christianity by means of preaching, bearing witness, institutions, worship, and inspired writings. The apostles transmitted all they received from Christ and learned from the Holy Spirit to their successors, the bishops, and through them to all generations until the end of the world.
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