"I have always been a great admirer of women. I think they are the most wonderful creatures on earth. I think they are more intelligent than men. I think they are more capable than men. I think they ar…"

"The value of an idea lies in the using of it."

"I never did anything worth doing by accident, nor did any of my inventions come by accident; they came by work."

"I don't think there is any such thing as an immortal soul. I think that the soul is just a function of the brain, and when the brain dies, the soul dies."

"I owe my success to the fact that I never had a clock in my workroom. Seventy-five of us worked twenty hours every day and slept only four hours — and thrived on it."