At twenty a man is full of fight and hope. He wants to reform the world. When he is seventy he still wants to reform the world, but he know he can't.

Freedom

You can only be free if I am free.

Ignorance

I do not pretend to know where many ignorant men are sure -- that is all that agnosticism means.

Parents and Parenting

The first half of our life is ruined by our parents and the second half by our children.

Truth

The pursuit of truth will set you free; even if you never catch up with it.