The value of a promise is the cost to you of keeping your word.

The ability to discipline yourself to delay gratification in the short term in order to enjoy greater rewards in the long term, is the indispensable prerequisite for success.

Rewrite your major goals every day, in the present tense, exactly as if they already existed

To remain confident and positive, think about your goals all the time.

Luck is predictable; the harder you work, the luckier you get.

When you remain angry with another person, you give away your emotional control to that person each time you think of him or here. You allow him or her to control your emotions at long distance. By not forgiving, you allow that person to run your emotional life, exactly as if he or she were right there with you and the situation was occurring all over again.

The first quality of courage is the willingness to launch with no guarantees. The second quality of courage is the ability to endure when there is no success in sight.