I believe in discipline. You can forgive incompetence. You can forgive lack of ability. But one thing you cannot ever forgive is lack of discipline. Forrest Gregg More Quotes by Forrest Gregg More Quotes From Forrest Gregg You structure your system to fit him if he's going to be your guy. Forrest Gregg nfl guy football He made us realize that if the mind was willing, the body can go. Forrest Gregg nfl mind football If I had to put a percentage on it - I'd say not likely. Forrest Gregg percentages nfl football