How to Use This Book

Practice makes permanent.

A concert pianist practices many hours a day, learning music, practicing drills, and honing her skills. She practices the same piece of music over and over, learning every little detail to get it just right. Because when she performs, she wants to deliver a performance she is proud of for the people who spent their time and money to hear it.

A pro football player spends hours in the gym lifting, running, jumping, and doing drills over and over until he masters them. And then he practices the sport. He’ll study plays and watch old game videos. And, of course, he’ll play scrimmage and exhibition games to make sure he’s ready to perform during the real contest.

A practitioner of karate spends a lifetime ...

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