Those who matter don't mind, and those who mind don't matter.
Our problem in money-making or government affairs is how to remain properly venturesome and experimental without making fools of ourselves.
A speculator is a man who observes the future, and acts before it occurs.
When good news about the market hits the front page of the New York Times, sell.
Never follow the crowd.
I am interested in physical medicine because my father was. I am interested in medical research because I believe in it. I am interested in arthritis because I have it.