I've never heard of anyone stumbling on something sitting down.

The opportunities of man are limited only by his imagination. But so few have imagination that there are ten thousand fiddlers to one composer.

Action without intelligence is a form of insanity, but intelligence without action is the greatest form of stupidity in the world.

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

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

Modern psychology teaches that experience is not merely the best teacher, but the only possible teacher.. There is no war between theory and practice. The most valuable experience demands both, and the theory should supplement the practice and not precede it.

There exist limitless opportunities in every industry. Where there is an open mind, there will always be a frontier.