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.

The difference between intelligence and an education is this: that intelligence will make a good living for you, but education won't do much for you at all.

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.

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

Learn how to fail intelligently.

We must look forward to the future as that is where most of us will be spending the rest of our lives.

Every great improvement has come after repeated failures. Virtually nothing comes out right the first time. Failures, repeated failures, are finger posts on the road to achievement. One fails forward toward success.