The trite objects of human efforts-possessions, superficial success, luxury-have always seemed contemptible to me.
If I could do it all again, I'd be a plumber.
The most fundamental question we can ever ask ourselves is whether or not the universe we live in is friendly or hostile.
Earnestly I must exert myself in order to return as much as I have received.
I refuse to engage in an intellectual battle with an unarmed man.
Nothing will end war unless the peoples themselves refuse to go to war.