Everyone steals in commerce and industry. I've stolen a lot, myself. But I know how to steal! They don't know how to steal!

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.

Radio is just a fashion contrivance that will soon die out. It is obvious that there never will be invented a proper receiver!

I love great music and art, but I think 'cubist' songs and paintings are hideous.

The great trouble is that the preachers get the children from six to seven years of age and then it is almost impossible to do anything with them.

Invention is 10% inspiration and 90% perspiration.

Until man duplicates a blade of grass, nature can laugh at his so called scientific knowledge.