“In physics, you don't have to go around making trouble for yourself - nature does it for you.”

“You walk around with a negative attitude and you're just naturally going to bring trouble and hard times down on yourself.”

“If you are having trouble with someone,you may be having more trouble with yourself.”

“life is to be lived.if you have to support yourself,you had bloody well better find some way that is going to be interesting.And you don't do that by sitting around.”

“What I am going to tell you about is what we teach our physics students in the third or fourth year of graduate school... It is my task to convince you not to turn away because you don't understand it. You see my physics students don't understand it... That is because I don't understand it. Nobody does.”

“SELF-MOCKERY IS AN UGLIER THING THAN ANY HUMAN FACE, IRIS... YOU ARE SMART AND YOU ARE KIND. DON'T BETRAY THOSE IMPULSES IN YOURSELF. DON'T BELABOR THE LACK OF PHYSICAL BEAUTY, WHICH IN ANY CASE EVENTUALLY FLEES THOSE WHO HAVE IT AND MAKES THEM SAD.”