I never did anything worth doing entirely by accident. . . Almost none of my inventions came about totally by accident. They were achieved by having trained myself to endure and tolerate hard work.

Even though I am nearly deaf, I seem to be gifted with a kind of inner hearing which enables me to detect sounds and noises which the ordinary person does not hear.

First, study the present construction. Second, ask for all past experiences ...study and read everything you can on the subject.

I never failed once. It just happened to be a 2000-step process.

I get my ideas from listening from within.

Any large extension of the Government into business affairs - no matter what the pretense and no matter how the the extension is labeled - will be bound to promote waste and put a curb on our prosperity and progress.

The value of a good idea is in using it.