Brady says he 's been reading the book every year since 2002 .
In a recent radio interview , New England patriors quarterback Tom Brady mentioned a transformative self - help book that serves as a ' mantra ' for his life .
quarterback says Tom Brady 's been reading the book every year since 2002 .
In a recent radio interview , New England patriors quarterback Tom Brady mentioned a transformative self - help book that serves as a ' mantra ' for his life .