Change Your Thinking, Change Your Life: How to Unlock Your Full Potential for Success and Achievement

THE CONTROL VALVE 
ON PERFORMANCE
Perhaps the most important quality of high-achieving men and
women is that of 
ambition.
They see themselves, think about them-
selves, and conduct themselves every day as though they were
among the elite in their fields. They set high goals for themselves
and continually work to exceed those goals. For them quotas are
minimums, not maximums. They look upon the accomplishments
of everyone else as challenges to themselves to be even better. And
so must you.
The core of your personality is your level of 
self-esteem
.Your self-
esteem is a measure of how much you value yourself, and how