Alvin wondered if it was true-if all men had evil in their hearts, and those men as were good, maybe they were simply the ones who controlled theirselves so well they could act contrary to their heart's desire. But if that were so, then no man was good, not one. Orson Scott Card
What made it possible for me to exercise freedom of choice also made it impossible to know the future. Conversely, now that I know the future, I would never act contrary to that future. [...] Those who've read the Book of Ages never admit to it. Ted Chiang