None of us is guaranteed against failure or corruption of any kind witness what's going on in the world in this moment, the follies of human nature and the failures of human nature.
If God be God and man a creature made in image of the divine intelligence, his noblest function is the search for truth.
The fact is that the learning process goes on, and so long as the voices are not stilled and the singers go on singing some of it gets through.
Once you accept the existence of God - however you define him, however you explain your relationship to him - then you are caught forever with his presence in the center of all things.