Never be discouraged, because every wrong turn attempt, when left behind you, is another step forward taking you closer to your goals.

We will make electricity so cheap that only the rich will burn candles.

When you have exhausted all possibilities, remember this - you haven't.

I believe that the science of chemistry alone almost proves the existence of an intelligent creator.

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.

As a cure for worrying, work is far better than whiskey. I always found that, if I began to worry, the best thing I could do was focus upon doing something useful and then work very hard at it. Soon, I would forget what was troubling me.

There cannot be overproduction of anything which men and women want. And their wants are unlimited, except by the size of their stomachs.