Originally published in the 1920s, The Multiple Mentality Course by Harry Kahne describes a series of exercises leading to...

Do not overreact to past pain; people experience countless painful things in her careers, but that does not mean one should avoid doing things because they might cause you pain. Not every painful thing is bad, and anything is preferable to inaction based on past painful experiences. Your current life and job should not be affected by past pain stemming from experiences that are no longer relevant.

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.

In this article Harrison explains how unlearning can make us happy and help us grow. One of the most important forms of growth is unlearning. All learning we do, in a sense involves unlearning. The more we can unlearn, the more likely we are to experience the sense of growth and progress we so desire. Imagine how much more productive your life would be if you could unlearn many of the beliefs and behaviors that have caused you so much stress. You and your life would be utterly and completely transformed. This would result in an incredible sea change in the way you approach and live your life.