One important key to success is self-confidence. An important key to self-confidence is preparation.

Self-confidence is the first requisite to great undertakings

People become really quite remarkable when they start thinking that they can do things. When they believe in themselves they have the first secret of success.

Trust yourself. It’s Sugar’s golden rule. Trusting yourself means living out what you already know to be true.

Trusting yourself means living out what you already know to be true.

"What are the secret of success?
-one word answer :"rational

The great secret of true success, of true happiness, is this: the man or woman who asks for no return, the perfectly unselfish person, is the most successful.

The secret of success is sincerity. Once you can fake that you’ve got it made.

the first step in achieving success is to firmly believe that you are an excellent person who deserves success.

BELIEVE IN YOURSELF! Have faith in your abilities! Without a humble but reasonable confidence in your own powers you cannot be successful or happy. But with sound self-confidence you can succeed. A sense of inferiority and inadequacy interferes with the attainment of your hopes, but self-confidence leads to self-realization and successful achievement.

Trust yourself. Create the kind of self that you will be happy to live with all your life. Make the most of yourself by fanning the tiny, inner sparks of possibility into flames of achievement.

Always start out to give more than is expected from you, to treat the other person more fairly, and that is the secret of success. Never try to take advantage of anyone or to hold anyone back in their own progress. The more you help others, the more prosperous you will be personally. p542

The secret of success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you're in control of your life. If you don't, life controls you.

There are no secrets to success: don’t waste time looking for them. Success is the result of perfection, hard work, learning from failure, loyalty to those for whom you work, and persistence.