Stopping advertising to save money is like stopping your watch to save time.

Thinking is the hardest work there is, which is probably the reason why so few engage in it.

There are three things that grow more precious with age; old wood to burn, old books to read, and old friends to enjoy.

The competitor to be feared is one who never bothers about you at all, but goes on making his own business better all the time.

You can't learn in school what the world is going to do next year.

You must know all there is to know in your particular field and keep on the alert for new knowledge. The least difference in knowledge between you and another man may spell his success and your failure.

History's just one darn thing after another.