> It is not just 'putting in the hours' that matters (because then one falls into the trap of assembly-line-worker syndrome, where "improvement of performance w

> It is not just 'putting in the hours' that matters (because then one falls into the trap of assembly-line-worker syndrome, where "improvement of performance was often arrested at less than maximal levels"), but rather what it calls "deliberate practice," which takes quite a bit of very hard work and practice tasks that are defined in a very specific way. As my wrestling coach always told us, "practice doesn't make perfect, perfect practice makes perfect."