"Practice makes you perfect at whatever you practice. So if you practice the wrong thing, if you practice bad habits, you will become perfect at consistently repeating those flawed skills."

"What is required is ten thousand hours of purposeful practice. And for practice to be truly purposeful, concentration and dedication, although important, are not sufficient. You also need to have access to the right training system, and that sometimes means living in the right town or having the right coach."

"Eventually the effects go beyond even that. Many years of intensive deliberate practice actually change the body and the brain."