People who form their opinions of themselves based of how others are doing fall into a dangerous trap; do not base your own happiness on how others are faring. Compare yourself to your own past performance rather than that of others to measure your growth and happiness. The process of comparing oneself to others is addictive, and you must free yourself from such unhealthy contrasts in order to find true happiness.

There are many people and organizations who, for a variety of reasons, seem never to succeed no matter what they do and experience perpetual bad luck. Do not waste time analyzing the causes of ill luck; simply avoid people and businesses who seem to have it, and instead associate yourself with those inclined to growth and development to achieve your goals.

In this article Harrison discusses that in order to experience the greatest level of success in your career and life, you don’t necessarily have to look for answers outside; you just need to rely on yourself. Most people put their hopes and dreams for happiness on people, religions and things that are outside of themselves. In order to do your best work it is important that you always keep your mind focused. You need to focus on the here and now, and to believe that you can achieve the things you set out to do. You need to believe you are already complete. You need to realize that you can accomplish things on your own, and that you do not necessarily need to rely on other people, or some big change within yourself. You should accept things the way they are. You do not necessarily need a new reality

Here, Harrison goes into more detail about employer sites...

You must share information freely, and never hide information from anyone. When you give away all your ideas you create the need to replenish them, which opens the door to creativity and innovation. Furthermore, sharing your ideas with others give you access to more ideas. People who hoard information tend to have stale ideas because they only share or seek innovation when relevant, meaning that their own store of information stagnates.

In this book, Managing Your Career, Sean McPheat gives...

Repeat work is always more valuable to you than one-offs, however well-paid they may be. Companies succeed or fail depending on their ability to generate repeat business. Repeat work grants you more options and control over your life and actions. Even work with a lower salary, which might not initially seem appealing, can be beneficial if it promises repeat jobs.