The discovery of nuclear reactions need not bring about the destruction of mankind any more than the discovery of matches.

I learned many years ago never to waste time trying to convince my colleagues.

We sleep 1/3 of our lives away.

The world we have created is a product of our thinking.

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

We believe that an informed citizenry will act for life and not for death.

I have just got a new theory of eternity.