In order that knowledge be properly digested it must have been swallowed with a good appetite.
It's not by amusing oneself that one learns.
People who have no weaknesses are terrible; there is no way of taking advantage of them.
Without lies humanity would perish of despair and boredom.
Dictionary: The universe in alphabetical order.
Man is so made that he can only find relaxation from one kind of labor by taking up another.