I have never taken any exercise, except sleeping and resting, and I never intend to take any. Exercise is loathsome. And it cannot be any benefit when you are tired; and I was always tired.

No sane man can be happy, for to him life is real, and he sees what a fearful thing it is.

None of us can be as great as God, but any of us can be as good.

Loyalty to petrified opinion never yet broke a chain or freed a human soul.

If man could be crossed with the cat, it would improve man but deteriorate the cat.

I am not an economist. I am an honest man!

Love is madness, if thwarted it develops fast.