“Self-Discipline May Beat Smarts as Key to Success” is the title of an article in the Washington Post By Jay Mathews. The following quote from the article has this to say about the question,
“According to a recent article by Angela L. Duckworth and Martin E.P. Seligman in the journal Psychological Science, self-discipline is a better predictor of academic success than even IQ.”
Napoleon Hill, the author of Think and Grow Rich, devoted his life to studying this question, analyzing the success of more than 500 of the 20th Century’s greatest achievers. Listen to what he has to say.