The most beautiful thing we can experience is the mysterious. It is the source of all true art and science. He to whom the realm of the spirit for your own personal joy and to the profit of the community to which your later work belongs.

God does not care about our mathematical difficulties. He integrates empirically.

The Devil craps on the big pile

It would be my greatest sadness to see Zionists (Jews) do to Palestinian Arabs much of what Nazis did to Jews.

Love is a better teacher than duty.

The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.

One can't teach a cat not to catch birds