You don't stop laughing because you grow old. You grow old because you stop laughing.
To do anything truly worth doing, I must not stand back shivering and thinking of the cold and danger, but jump in with gusto and scramble through as well as I can.
I believe that every now and then it is important to laugh at ourselves and take a lighter approach to our life conditions.
Humor is also a way of saying something serious.
Against stupidity the gods themselves contend in vain.
The first duty of a revolutionary is to get away with it.
There is a great deal of difference between an eager man who wants to read a book and the tired man who wants a book to read.