Your earning ability is ...

Your earning ability is largely determined by the perception of excellence, quality, and value that others have of you and what you do. The market only pays excellent rewards for excellent performance. It pays average rewards for average performance, and it pays below average rewards or unemployment for below average performance.
Your earning ability is largely determined by the perception of excellence, quality, and value that others have of you and what you do. The market only pays excellent rewards for excellent performance. It pays average rewards for average performance, and it pays below average rewards or unemployment for below average performance.

Quotes from the same author

Your success in life and work will be determined by the kinds of habits that you develop over time. The habit of setting priorities, overcoming procrastination, and getting on with your most important task is a mental and physical skill. As such, this habit is learnable through practice and repetition, over and over again, until it locks into your subsconscious mind and becomes a permanent part of your behaviour.
There is never enough time to do everything, but there is always enough time to do the most important thing.
Goals are the fuel in the furnace of achievement.
Whatever we expect with confidence becomes our own self-fulfilling prophecy.
You can only grow if you're willing to feel awkward and uncomfortable when you try something new.