"I'm a genius. I know what I'm doing."

"I want my house to be completely soundproof. I don't want to hear anything."

"I am by nature a perfectionist, and I seem to have trouble allowing anything to go through in a half-perfect condition. So if I made any mistake it was in working too hard and in doing too much of it …"

"I don't believe in luck. I believe in hard work."

"I have never in my life made a business deal in which I did not have the conviction that I was making money for the other fellow as well as for myself."