Never reveal all of yourself to other people; hold back something in reserve so that people are never quite sure if they really know you.

The fastest way to succeed is to look as if you're playing by somebody else's rules, while quietly playing by your own.

The biggest fool in the world is he who merely does his work supremely well, without attending to appearance.

The advice I would offer to any writer is that even when you think you have revised your book to the point where you cannot look at it again, it is time to sit down and revise it some more.

What you hear repeatedly you will eventually believe.

One of the first rules of playing the power game is that all bad news must be accepted calmly, as if one already knew and didn't care.

The first rule of success, and the one that supersedes all others, is to have energy. It is important to know how to concentrate it, how to husband it, how to focus it on important things instead of frittering it away on trivia.