Peak: Unleashing Your Inner Champion Through Revolutionary Methods for Skill Acquisition and Performance Enhancement in Work, Sports, and Life

by K. Anders Ericsson

There is no point at which performance maxes out and additional practice does not lead to further improvement.

The reality is, however, that all of these things—managing, selling, teamwork—are specialized skills, and unless you are using practice techniques specifically designed to improve those particular skills, trying hard will not get you very far.

The objectives should be skills, not knowledge.