A good idea is never lost. Even though its originator or possessor may die, it will someday be reborn in the mind of another.

There's a way to do it better - find it.

Not only will atomic power be released, but someday we will harness the rise and fall of the tides and imprison the rays of the sun.

I have not failed 10,000 times. I have succeeded in proving that those 10,000 ways will not work.

I know of over 3,000 ways [that] a light bulb does not work.

I never did anything by accident, nor did any of my inventions come by accident; they came by work.

The inventor tries to meet the demand of a crazy civilization.