To sum up: it's time to rewrite the maxim that practice makes perfect. The truth is, practice makes myelin, and myelin makes perfect.

There is no substitute for attentive repetition.

Skill is a cellular insulation that wraps neural circuits and that grows in response to certain signals.

Although talent feels and looks predestined, in fact we have a good deal of control over what skills we develop, and we have more potential than we might ever presume to guess.

A true leader is someone who maximizes the potential of their people; who ignites their passions and gives them the opportunity to make the most of their gifts in the service of a larger goal. The leaders I met at the talent hotbeds embodied those values.

To sum up: it's time to rewrite the maxim that practice makes perfect. The truth is, practice makes myelin, and myelin makes perfect.

The sweet spot: that productive, uncomfortable terrain located just beyond our current abilities, where our reach exceeds our grasp. Deep practice is not simply about struggling; it's about seeking a particular struggle, which involves a cycle of distinct actions.