Creativity is contagious. Pass it on.

A theory is something nobody believes, except the person who made it. An experiment is something everybody believes, except the person who made it.

The release of atomic power has changed everything except our way of thinking ... the solution to this problem lies in the heart of mankind. If only I had known, I should have become a watchmaker. (1945)

Given the millions of billions of Earth-like planets, life elsewhere in the Universe without a doubt, does exist. In the vastness of the Universe we are not alone.

The difference between what the most and the least learned people know is inexpressibly trivial in relation to that which is unknown.

If you feed your mind as often as you feed your stomach, then you'll never have to worry about feeding your stomach or a roof over your head or clothes on your back.

But their intervention makes our acts to serve ever less merely the immediate claims of our instincts.