If a man's wit be wandering, let him study the mathematics.

It is a curious sensation: the sort of pain that goes mercifully beyond our powers of feeling. When your heart is broken, your boats are burned: nothing matters any more. It is the end of happiness and the beginning of peace.

If I had no sense of humor, I would long ago have committed suicide.

No great genius has ever existed without some touch of madness.

No matter how corrupt and unjust a convict may be, he loves fairness more than anything else. If the people placed over him are unfair, from year to year he lapses into an embittered state characterized by an extreme lack of faith.