We are just in the kindergarten of uncovering things; there is no downcurve in science.

Thinking is one thing no one has ever been able to tax.

In America we can say what we think, and even if we can't think, we can say it anyhow.

You will never stub your toe standing still. The faster you go, the more chance there is of stubbing your toe, but the more chance you have of getting somewhere.

Whenever you look at a piece of work and you think the fellow was crazy, then you want to pay some attention to that. One of you is likely to be, and you had better find out which one it is. It makes an awful lot of difference.

I think that the greatest education in the world is the education which helps one to be able to do the right things at the time it has to be done.

The future can be anything we want it to be, providing we have the faith and that we realize that peace, no less than war, required blood and sweat and tears.