High achievement always takes place in the framework of high expectation.

No one would have crossed the ocean if he could have gotten off the ship in the storm.

One fails forward toward success.

My definition of an educated man is the fellow who knows the right thing to do at the time it has to be done. You can be sincere and still be stupid.

Knowing is not understanding. There is a great difference between knowing and understanding: you can know a lot about something and not really understand it.

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.

It is not a disgrace to fail. Failing is one of the greatest arts in the world.

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

If you want to kill any idea in the world, get a committee working on it.

A person must have a certain amount of intelligent ignorance to get anywhere.

I object to people running down the future. I am going to live all the rest of my life there.

Every time you tear a leaf off a calendar, you present a new place for new ideas and progress.

Believe and act as if it were impossible to fail.

An inventor is simply a fellow who doesn't take his education too seriously.

An inventor fails 999 times, and if he succeeds once, he's in. He treats his failures simply as practice shots.