Self-Control Outdoes Intelligence? (Psychology, Motivation, Self-discipline)

A few years ago, many researchers were in agreement: By far the most important requirement for education and vocational success is a high mental capacity (intelligence). However, even the best intelligence tests can not explain all variance in life success. Every once in a while a highly intelligent student gets dropped out of the education system without finishing (underachiever), whereas another student who scored below average in an intelligence test, ends up with a fantastic academic career (overachieve