One of the most important things you can do in your career is generate value for your employer far in excess of what you receive back. You can talk your way into a high-paying job, but you will not remain there unless you provide more than you take. Organizations thrive when all of their members produce goods and services efficiently. Your career depends on providing more than you take, and surrounding yourself with people who do the same.

Use your past, rather than some unattainable ideal, as the yardstick for measuring progress in your life and career. The most successful people are also often the most unhappy, because they measure themselves against impossible ideals, which causes a constant sense of inferiority. There will always be someone better than you, and there are ideals all around you against which it would be unrealistic and stupid to measure yourself. Instead, compare yourself only to the person you were before; measure yourself against your own progress, and forget about others.

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In this article, Harrison explains the importance of credibility in your career and in your life. The most important question that you should ask yourself is whether you can be trusted. Fortunes can fall and be rebuilt, but once you lose your credibility, you have lost a great deal. Dishonest individuals may rise rapidly to the top, but they almost always come crashing down. To be dishonest in any way does not pay off at all. People lose their faith, are fearful, and will practically never again believe a dishonest person. A person’s reputation is his/her most valuable asset. It is extremely fragile and should be protected at all costs. You need to have an explicitly honest approach, never fail to make others aware of the truth, and never cut corners. Hence, Harrison states that one of the hallmarks of the most successful individuals is their credibility.