Two basic tenets of Catholic teaching are that 1) God revealed himself in a progressive revelation that was completed with the death of the last apostle and 2) since then the Church's understanding of that complete revelation has deepened and developed.
Perhaps the classic model for understanding this process is seen in the revelation given by God concerning His own Triune nature. Certain critics of the Catholic Faith speak of the doctrine of the Trinity as an "invention" of the Church. However, it is closer to the mark to say that this truth was discovered rather than invented. For the Church, so far from creating anything, simply followed the clues left by God in His complete revelation...READ MORE