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.

Obsolescence is a factor which says that the new thing I bring you is worth more than the unused value of the old thing.

If I want to stop a research program I can always do it by getting a few experts to sit in on the subject, because they know right away that it was a fool thing to try in the first place.

We need to teach the highly educated man that it is not a disgrace to fail and that he must analyze every failure to find its cause. He must learn how to fail intelligently, for failing is one of the greatest arts in the world.

One fails forward toward success.

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

You can send a message around the world in one-fifth of a second, yet it may take years for it to get from the outside of a man's head to the inside.