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

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

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

People think of the inventor as a screwball, but no one ever asks the inventor what he thinks of other people.

One fails forward toward success.

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.