Avoid complacency, as it can literally destroy your career and your life. You are either moving up or moving down, and complacency will always place you on a downward trajectory. Surround yourself with people who will continually challenge you to become better. Surrounding yourself with mediocre people will introduce mediocrity into your own life; when you surround yourself with people who accept nothing but the best, you are likely to become exceptional as well.

Develop the art of resisting those things that give you instant gratification. While attractive, these things are usually short-lived and ultimately lead to failure and disappointment. You must develop tremendous strength and willpower to resist these things; this resistance capability distinguishes true leaders.

In this article Harrison talks about the importance of being consistent as against being brilliant and outstanding in your job. Being consistent is one of the most important things in a job. People who are consistent have the best careers in the long run. The better and more extreme someone’s performance is, the less likely they are to maintain it over time. Things like always showing up for work, always doing the job, cooperating with peers, and more are important characteristics. These are the people who contribute to companies and companies want them in their team. A one-shot performance is in no one’s best interest. Companies and organizations need people who are consistent. Sustained effort over time is what really matters. Harrison is not belittling brilliance and hard work; nevertheless he insists that you need to be consistent in order to succeed.

Everyone tries to maintain a certain emotional state, and learning to control your own emotions will have a profound impact on your career. While everyone allows their emotional states to be influenced by outside events, there is no advantage in basing your own emotions on things that you cannot control. Allow yourself to discover happiness and fulfillment naturally, rather than making your emotions dependant on external circumstances. Your outlook will have a tremendous impact on your psychological health, as well as that of those around you.

Everything you do is a form of preparation for your job interviews, as you are always under some form of scrutiny. The best employees can always spot other good employees, and you cannot “fake it”; merely doing a good job in your work is a form of interview preparation. Always put your all into your work, therefore, even if you do not have long-term plans to remain at your current employment. Switch jobs as infrequently as possible. The time to prepare for a job search is before you even realize that you need to do so.

In order to reach your full potential, you must avoid depression, obesity and unhealthy foods, boredom, and uninteresting people. Your daily activities should seek to improve in each of these categories; as you do, you will find yourself better equipped to face life’s challenges. Maintain various interests in addition to your work, and try to connect with interesting people to establish a healthy self-esteem.

Complexity is the enemy of businesses and individuals, preventing people from reaching their maximum potential. You must control and minimize complexity before it controls you, and instead sharpen your focus on your career and life goals. Learn to concentrate on the task in front of you and minimize distractions, and you will better serve your career.