"The word 'God' is for me nothing more than the expression and product of human weaknesses, the Bible a collection of honorable, but still primitive legends which are nevertheless pretty childish. No interpretation, no matter how subtle, can (for me) change this."
"Once we accept our limits, we go beyond them."
"The human spirit must prevail over technology."
"Two things are infinite: the universe and human stupidity; and I'm not sure about the universe."
"The most beautiful thing we can experience is the mysterious. It is the source of all true art and all science. He to whom this emotion is a stranger, who can no longer pause to wonder and stand rapt in awe, is as good as dead: his eyes are closed."
"Intellectual growth should commence at birth and cease only at death."