I have determined that there is no market for talking pictures

I know this world is ruled by infinite intelligence. Everything that surrounds us- everything that exists - proves that there are infinite laws behind it. There can be no denying this fact. It is mathematical in its precision.

Genius is 99% perspiration and 1% inspiration.

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."

Incurably religious, that is the best way to describe the mental condition of so many people.

Of all my inventions, I liked the phonograph best

Interest is the invention of Satan.