Jeff Smith

“A study of figure skaters found that sub-elite skaters spent lots of time working on the jumps they could already do, while skaters at the highest levels spent more time on the jumps they couldn’t do, the kind that ultimately win Olympic medals and that involve lots of falling down before they’re mastered.”
― Geoff Colvin, Talent is Overrated: What Really Separates World-Class Performers from Everybody Else