I received your letter of June 10th. I have never talked to a Jesuit priest in my life and I am astonished by the audacity to tell such lies about me. From the viewpoint of a Jesuit priest I am, of course, and have always been an atheist.

If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut

If I had known they were going to do this, I would have become a shoemaker.

The mathematician knows some things, no doubt, but not those things one usually wants to get from him.

When I study philosophical works I feel I am swallowing something which I don't have in my mouth.

People like you and I, though mortal of course like everyone else, do not grow old no matter how long we live.

Compassionate people are geniuses in the art of living, more necessary to the dignity, security, and joy of humanity than the discoverers of knowledge.