I believe that the science of chemistry alone almost proves the existence of an intelligent creator.

To invent, you need a good imagination and a pile of junk.

There cannot be overproduction of anything which men and women want. And their wants are unlimited, except by the size of their stomachs.

A diamond is a piece of coal that stuck to the job

There is far more opportunity than there is ability.

I have had a lot of success with failure

The three things that are most essential to achievement are common sense, hard work and stick-to-it-iv-ness... Unfortunately, many of life's failures are experienced by people who did not realize how close they were to success when they gave up. I have far more respect for the person with a single idea who gets there than for the person with a thousand ideas who does nothing.