Science has become adult; I am not sure whether scientists have.

When things get tough, there are two things that make life worth living: Mozart, and quantum mechanics

Human existence is based upon two pillars: Compassion and knowledge. Compassion without knowledge is ineffective; knowledge without compassion is inhuman.

It was absolutely marvelous working for Pauli. You could ask him anything. There was no worry that he would think a particular question was stupid, since he thought all questions were stupid.

In man's brain the impressions from outside are not merely registered; they produce concepts and ideas. They are the imprint of the external world upon the human brain.

God is so great, he does not even need to exist.

Self-confidence is an important ingredient that makes for a successful physicist.

Enjoy your own authentic stupidity rather than strive vainly to be wise.

Strange thoughts brew in your heart when you spend too much time with old books

I grew up with guns. For my 16th birthday, in fact, I received a .357 instead of a car. But there was nothing playful about them; they were tools.

My soul is my great asset and my great misfortune.

When I was 66, my wife June died of cancer. Two years later--a year and a half ago--I married Kristen McMain, the eternal companion who now stands at my side.

In every country the mountains are fountains, not only of rivers but of men. Therefore we all are born mountaineers, the offspring of rock and sunshine.

With songs, I've always pledged to be honest. I write my songs because I've lived them.

I'm not a proponent of people watching a movie, and then going out and doing something bad. People have been doing bad things, well before movies.

That which offends you only weakens you. Being offended creates the same destructive energy that offended you in the first place- so transcend your ego and stay in peace.

The highest form of ignorance is when you reject something you don't know anything about.