"Ignorance is never better than knowledge."

"Physics is like sex: sure, it may give some practical results, but that's not why we do it."

"There is no such thing as a trivial experiment."

"I have always believed that physics should be simple and beautiful."

"I remember my friend Johnny von Neumann used to say, 'with four parameters I can fit an elephant and with five I can make him wiggle his trunk.'"