I made my money by selling too soon.

The art of living lies less in eliminating our troubles than in growing with them.

Whatever task you undertake, do it with all your heart and soul. Always be courteous, never be discouraged. Beware of him who promises something for nothing. Do not blame anybody for your mistakes and failures. Do not look for approval except the consciousness of doing your best.

We are living in a highly organized state of socialism. The state is all; the individual is of importance only as he contributes to the welfare of the state. His property is only his as the state does not need it. He must hold his life and his possessions at the call of the state.

Learn to take losses quickly and cleanly. There is something about inside information which seems to paralyze a man's reasoning powers. Beware of barbers, beauticians, waiters - or anyone - bringing gifts of 'inside' information or tips. Don't try to be a jack of all investment. Stick to the field you know best.

Never answer a critic, unless he's right.

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