Perhaps the greatest display of self-discipline is persisting when the going gets tough. Persistence is self-discipline in action.

Visualize and think about yourself as you would ideally like to be, not just as you are.

Develop a clear vision for your organization. Where do you want to be in five years?

Every great success is an accumulation of thousands of ordinary efforts that no one else sees or appreciates.

If you think a certain thought long enough and hard enough, it becomes a fixed belief and you will find yourself behaving on the outside in a manner consistent with it.

To earn more, you must learn more.

Destructive criticism is the biggest single enemy of human potential. It is worse than cancer or heart disease. While those diseases can ultimately lead to the deterioration and death of an individual, destructive criticism kills the soul of the person but leaves the body walking around.