"Gravity cannot be held responsible for people falling in love."

"It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure."

"When you sit with a nice girl for two hours, it seems like two minutes. When you sit on a hot stove for two minutes, it seems like two hours that's relativity."

"Imagination is more important than knowledge"

"I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones."

"If A equals success, then the formula is A = X + Y + Z. X is work. Y is play. Z is keep your mouth shut."

"I never think of the future. It comes soon enough."

"There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle."