 Gnosticism is one of these. There were secrets that had to be unlocked and you had to move up through many different levels to know the secrets. Paul taught that true wisdom is found in Christ. In Matthew chapter 13, when Jesus comes back to his hometown of Nazareth and teaches in the synagogue, we read, and coming to his hometown, he taught them in their synagogue so that they were astonished and said, where did this man get this wisdom and these mighty works?