“The most aggravating thing about the younger generation is that I no longer belong to it.”

“Education is what remains after one has forgotten everything one learned at school.

“You teach me baseball and I’ll teach you relativity…..No, perhaps we shouldn’t…..You will learn relativity faster than I learn baseball.

“Anyone who has never made a mistake has never tried anything new.”

“It has become appallingly obvious that our technology has exceeded our humanity.”

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