>>13741880>receive trainingThey practiced, not just trained. You have to exercise your mind do improve. You can sit a child in a tuition class for days and he won't learn anything. And the basis of this persistent practice is passion. The author was saying every genius in a field had a lot of practice.
>quality has to be there from the beginningAll three of the Polgar daughters became incredibly good at chess although Judith was the best.
>plenty of children who get loads of training but never accomplish anythingIt might be survivorship bias, but if you tell me a child who is passionate about maths and does thousands of hours of effective learning it won't in some way get ahead, that's ridiculous. He would have to learn a hundred times slower than his peers.
>some are born more gifted than othersYes, but the question is to what extent. How much more work will an average student need to do to be equal with a gifted student? Or will they never be equal regardless of how much more he works?
And like you said many child prodigies burn out before ever becoming anything. Being gifted is useless without putting in any work.