A reporter called on Edison to interview him about a substitute for lead in the manufacture of storage batteries that the scientist was seeking. Edison informed the man that he had made 20,000 experiments but none had worked. "Aren't you discouraged by all this waste of effort?" the reporter asked. Edison: "Waste! There's nothing wasted. I have discovered 20,000 things that won't work."

We haven't failed. We now know a thousand things that won't work, so we are much closer to finding what will.

The doctor of the future will no longer treat the human frame with drugs, but rather will cure and prevent disease with nutrition.

A teacher sent the following note home with a six-year-old boy 'He is too stupid to learn.' That boy was Thomas A. Edison.

Keep on the lookout for novel ideas that others have used successfully. Your idea has to be original only in its adaptation to the problem you're working on.

All bibles are man-made.

I can never pick up a thing without wishing to improve it.