"The Atlanta Falcons' Tony Gonzalez is so intent on achieving and maintaining greatness that he makes a study of it.

He is a voracious reader of biographies of athletes and coaches in all sports as well as business and military leaders. He is always searching for the common denominators to success.

"The underlying theme in all of these books," Gonzalez says, "is the unbelievable work ethic and confidence they bring to everything they're doing. It's unbelievable the time and effort they put into being great.""