“The strongest force in the universe is Compound Interest.”

“Compound interest is the eighth wonder of the world. He who understands it, earns it ... he who doesn't ... pays it.”

“I assert that the cosmic religious experience is the strongest and the noblest driving force behind scientific research.”

“I maintain that the cosmic religious feeling is the strongest and noblest motive for scientific research.”

“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”

“Earth is the insane asylum of the universe.”

“God does not play dice with the universe.”