The typewriting machine, when played with expression, is no more annoying than the piano when played by a sister or near relation.

All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.

I find out what the world needs, then I proceed to invent. My main purpose in life is to make money so that I can afford to go on creating more inventions.

Someday man will harness the rise and fall of the tides, imprison the power of the sun, and release atomic power.

I believe that the science of chemistry alone almost proves the existence of an intelligent creator.

I never pick up an item without thinking of how I might improve it. I never perfected an invention that I did not think about in terms of the service it might give others. I want to save and advance human life, not destroy it. I am proud of the fact that I never invented weapons to kill. The dove is my emblem.