I believe that good defense embodies seven cardinal principle: reduce the number of your opponent's shots; force your opponent into low percentage shots; control everything within 18 feet; eliminate second shots; no easy baskets; point the ball on all long shots; and prevent the ball from going into the pivot man.
Millions of guys play millions of basketball games every day of the week at the playground or the YMCA. But LeBron James gets $20 million a year because he can jam on all of those guys. We're always going to want to see LeBron and Kobe go at it.
If a Coach is determined to stay in the coaching profession, he will develop from year to year. This much is true, no coach has a monopoly on the knowledge of basketball. There are no secrets in the game. The only secrets, if there are any, are good teaching of sound fundamentals, intelligent handling of men, a sound system of play, and the ability to instill in the boys a desire to win.