Originally published in the 1920s, The Multiple Mentality Course...

The quality of your life is not determined by your job, city, or lifestyle, but rather by the filters through which you experience these things. These filters shape everything in your life, and influence your life and career for better or worse. How you use these filters are the most important factors in your decision making; develop filters that empower rather than limit your experience, and you will unlock the secret to a successful like and career.

In this article Harrison discusses that in order to really advance in your career and life you need to improve the quality of your work. The more you stress quality in your job, the more you will continuously improve. The better the quality of your work, the more you will be valued by your employer. When you do the best work you can your co-workers also respect you more and you have employment security. When looking at employers, you should also concentrate on working for those whose quality is getting better and better. The better the quality of the product the business is producing, the more opportunities they are likely to have in the future for you. The better the quality of your work, the more opportunities you are also likely to have in the future. Make quality your first priority.

Rumors are extremely dangerous. Competitors and colleagues alike share incorrect, negative information about you, these rumors can spread like wildfire and quickly shipwreck your career. Make sure that your peers know and understand you, show courtesy and respect for others, and avoid all types of arrogance; if you can do these things, you can mitigate the likelihood and potential damage of rumors.

The most successful people in the world create so much value for others that everyone wants to do business with them, and return to them over and over. Driving sharp bargains, however, typically backfires and can cause you more problems than benefits. Whenever you get a good deal you should consider yourself lucky, but you should never push for the best deal possible because your behavior will likely alienate others.

In this article Harrison discusses the importance of ‘energy’ over technical skills. When people are hiring you they are purchasing your “energy” more than they are purchasing your technical skills. They are interested in your ability to influence the world around you through your energy. When you are marketing yourself and seeking a job, or working in a job, there are essentially two things you are marketing. You are marketing your technical skills, but more importantly you are marketing an intangible sort of energy. The most successful people have mastered the art of projecting positive energy. The better your energy, the more employable you will be and the farther you will go.

If you can learn how to create work for yourself, you will never be unemployed or lacking for excitement in your life. You must learn to use your mind to create work; if successful, this ability will come to define your life and career because outside circumstances will no longer matter to you. The world will work for you, rather than the other way around.