Dealing with people is probably the biggest problem you face, especially if you are in business. Yes, and that is also true if you are a housewife, architect or engineer.

If you want to be happy, set yourself a goal that commands your thoughts, liberates your energy and inspires your hopes. Happiness is within you. It comes from doing some certain thing into which you can put all your thought and energy. If you want to be happy, get enthusiastic about something.

If you and I want to stir up a resentment tomorrow that may rankle across the decades and endure until death, just let us indulge in a little stinging criticism - no matter how certain we are that it is justified.

The ideas I stand for are not mine. I borrowed them from Socrates. I swiped them from Chesterfield. I stole them from Jesus. And I put them in a book. If you don't like their rules, whose would you use?

Great speakers are not born, they're trained.

Criticism of others is futile and if you indulge in it often you should be warned that it can be fatal to your career.

In fact, merely writing the facts on a piece of paper and stating our problem clearly goes a long way toward helping us to reach a sensible decision.