I think his point is more that the common myth of the natural born "genius" is not what society commonly thinks it is. You can be born mentally genius at somet

I think his point is more that the common myth of the natural born "genius" is not what society commonly thinks it is. You can be born mentally genius at something, or innately talented at some physical skill or other, but that the "genius" or "born talented" people we see in society really owe a lot more of their success to practice rather than any innate quality they were born with.