Throw away all those self-help books that supply you the secret of success in 10 steps (or something similar).
The following small paragraph should suffice.
Here goes ...
And yes, just as your grandmother always told you, practice does make perfect. But not just willy-nilly practice. Mastery arrives through what [K. Anders] Ericsson [professor of psychology at Florida State University] calls "deliberate practice." This entails more than simply playing a C-minor sclae a hundred times or hitting tennis serves until your shoulder pops our of its socket. Deliberate practice has three key component: setting specific goals; obtaining immediate feedback; and concentrating as much on technique as on outcome.