Answer by Dan Ariely, Professor of Psychology and Behavioral Economics at Duke University, on Quora: One of the main things that people don’t understand about motivation is the pleasure principle.

Personal motivation is the driving force behind every significant achievement, whether in entrepreneurship, sales or just personal development. But not all motivation is created equal. To truly ...

I write a lot about motivation, because finding long-lasting motivation to exercise is perhaps the most important part of your exercise journey. You can find lasting motivation in your self-identity, ...