"The idea of good and evil is sometimes connected with the idea of truth and falsehood. But just as good and evil do not exist for ordinary man, neither do truth and falsehood exist. Permanent truth and permanent falsehood can exist only for a permanent man. If a man himself continually changes, then for him truth and falsehood will also continually change. And if people are all in different states at every given moment, their conceptions of truth must be as varied as their conceptions of good.