"There may be only three human activities in which miraculous accomplishment is possible before adulthood: mathematics, music and chess. These are abstract, almost invented realms, closed systems bounded by rules of custom or principle. Here, the child learns, is how elements combine and transform; here are the laws that govern their interactions; and here are the possibilities that emerge as you play with signs, symbols, sounds or pieces. Nothing else need be known or understood — at least at first."
Link to full NYT article here.
I can't do any of the three - and I shall always wonder what that means.