In creating technology for ourselves we created it for the world.

There is no substitute for hard work.

From his neck down a man is worth a couple of dollars a day, from his neck up he is worth anything that his brain can produce.

I am much less interested in what is called God's word than in God's deeds. All bibles are man-made.

Sleep is like a drug. Take too much at a time and it makes you dopey. You lose time and opportunities.

We are like tenant farmers chopping down the fence around our house for fuel when we should be using Nature's inexhaustible sources of energy - sun, wind and tide. ... I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait until oil and coal run out before we tackle that.

The beauty of a great idea lies in the art of using it.