Depend not on fortune, but on conduct.
Censorship, like charity, should begin at home; but, unlike charity, it should end there.
The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.
So act that your principle of action might safely be made a law for the whole world.
I have often wished I had time to cultivate modesty... But I am too busy thinking about myself.
You cannot be mad at somebody who makes you laugh - it's as simple as that.
A moment later, I caught my breath, but I didn't say anything.