> You could practice 10,000 hours on the violin or playing chess without reaching the lofty heights of Hahn or Magnusson. Without commenting on whether the 10k

> You could practice 10,000 hours on the violin or playing chess without reaching the lofty heights of Hahn or Magnusson. Without commenting on whether the 10k rule was reasonable, you're shifting goalposts. It was never the claim that it only took 10k hours to be the best in the world.