Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.

Life is a preparation for the future; and the best preparation for the future is to live as if there were none.

When you examine the lives of the most influential people who have ever walked among us, you discover one thread that winds through them all. They have been aligned first with their spiritual nature and only then with their physical selves.

Every kind of peaceful cooperation among men is primarily based on mutual trust and only secondarily on institutions such as courts of justice and police.

There is no place in this new kind of physics both for the field and matter, for the field is the only reality.

God gave me the stubbornness of a mule and a fairly keen scent.

Marvellous, what ideas the young people have these days. But I don't believe a word of it.