He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.

Don't go around saying the world owes you a living. The world owes you nothing. It was here first.

Anything that won't sell, I don't want to invent.

Great is the power of a word well spoken.

We find ourselves in the books we read.

By working faithfully eight hours a day, you may eventually get to be the boss and work twelve hours a day.

The happy and efficient people in this world are those who accept trouble as a normal detail of human life and resolve to capitalize it when it comes along