God has revealed the truth about Himself and about creation in two ways. He has contained natural revelation inside the man and the environment. An interpersonal dialogue between God and man, allied with supernatural Revelation. It contains two trends: the Holy Bible and Tradition. Sources of the supernatural Revelation were entrusted to the Church`s Teaching and to the pope with the College of Bishops, so that they would guard the deposit of the faith, explained and intelligibly defined for the present generation of the Church`s members.