We educate one another; and we cannot do this if half of us consider the other half not good enough to talk to.

We are made wise not by the recollection of our past, but by the responsibility for our future.

Nobody could stand an eternity of Heaven.

Nature holds no brief for the human experiment; it must stand or fall by its results.

A pessimist is a man who thinks everybody is as nasty as himself, and hates them for it.

The confusing of marriage with morality has done more to destroy the conscience of the human race than any other single error.

This is my father. Try what you can with him! He won't listen to me, because he remembers what a fool I was when I was a baby.