When good news about the market hits the front page of the New York Times, sell.

A dangerous fallacy is to repudiate freedom in favor of an unknown future. What else but our own sturdy reliance on freedom can explain the unexampled record this country has made? In a period scarcely twice my own lifetime it has risen from nothingness to become the world's greatest power. It has become the ark of the covenant of freedom.

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.

Millions saw the apple fall but Newton was the one who asked why.

When beggars and shoeshine boys, barbers and beauticians can tell you how to get rich it is time to remind yourself that there is no more dangerous illusion than the belief that one can get something for nothing.

Unless each man produces more than he receives, increases his output, there will be less for him than all the others.

To me - old age is always ten years older than I am.