I make more mistakes than anyone else I know, and sooner or later, I patent most of them.

Mr. Edison worked endlessly on a problem, using the method of elimination. If a person asked him if he were discouraged because so many attempts proved unavailing, he would say, "No, I am not discouraged, because every wrong attempt discarded is another step forward.".

The greatest discoveries will be along spiritual lines. This is the field where miracles are going to happen. Spiritual power is the greatest underdeveloped power and has the greatest future.

Ideas without execution are hallucinations.

Sleep is like a drug. Take too much at a time and it makes you dopey. You lose time and opportunities.

Success depends on how many experiments you can fit into 24 hours

I believe in the existence of a Supreme Intelligence pervading the Universe.