-When a thing has been said and well, have no scruple. Take it and copy it.
-An education isn’t how much you have committed to memory, or even how much you know. It’s being able to differentiate between what you do know and what you don’t.
-Man is so made that he can only find relaxation from one kind of labor by taking up another.
-A person is never happy except at the price of some ignorance.
-To be willing to die for an idea is to set a rather high price on conjecture.