Comment by margorczynski

> In other words: the people who run the mathematical 100m in under a second don't think it's because of their genes.

Sure they don't. Most extremely successful people (want to) think that the main reason of their success is their commitment and hard work. It runs completely contrary to the findings of modern biology and psychology, most of our intellectual potential at adulthood is genetic.

The floor and ceiling you will operate on in your life is decided the moment of chromosomal crossover.