To experience the ...

To experience the satisfaction and enjoyment of success in life, a definitive goal is essential. Many people fail at this vital point. The goal must be definite and specific, not in any sense vague or fuzzy. And to prove attainable, its image needs to be sharpened and resharpened continually, so that it stands out vividly in your thoughts. You must know, at all times, precisely and for certain what it is you want to accomplish and achieve. Strong and organized purposefulness toward a definite objective will focus your powers into a strong motivation in attainment of your goal.
To experience the satisfaction and enjoyment of success in life, a definitive goal is essential. Many people fail at this vital point. The goal must be definite and specific, not in any sense vague or fuzzy. And to prove attainable, its image needs to be sharpened and resharpened continually, so that it stands out vividly in your thoughts. You must know, at all times, precisely and for certain what it is you want to accomplish and achieve. Strong and organized purposefulness toward a definite objective will focus your powers into a strong motivation in attainment of your goal.

Quotes from the same author

Believe in yourself! Have faith in your abilities! Without a humble but reasonable confidence in your own powers you cannot be successful or happy.
If you want things to be different, perhaps the answer is to become different yourself.
Change your thoughts and you change your world.
You don't have to be tired and bored. Get interested in something. Get absolutely enthralled in something. Throw yourself into it with abandon.
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 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.