The Wright brothers flew right through the smoke screen of impossibility.

The world hates change, yet it is the only thing that has brought progress.

The only difference between a problem and a solution is that people understand the solution.

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

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.

A problem well stated is a problem half-solved.

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

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

Believe and act as if it were impossible to fail.

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

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