Our imagination is the only limit to what we can hope to have in the future.

Keep on going and the chances are you will stumble on something, perhaps when you are least expecting it. I have never heard of anyone stumbling on something sitting down.

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

A research problem is not solved by apparatus; it is solved in a man's head.

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.

The biggest job we have is to teach a newly hired employee how to fail intelligently. We have to train him to experiment over and over and to keep on trying and failing until he learns what will work.

Inventing is a combination of brains and materials. The more brains you use, the less material you need.