If you were to fault yourself in one of three areas, which would it be: (1) the inability to prioritize; (2) the inability or desire to organize around those priorities; or (3) the lack of discipline to execute around them? ... Most people say their main fault is a lack of discipline. On deeper thought, I believe that is not the case. The basic problem is that their priorities have not become deeply planted in their hearts and minds. They haven't really internalized Habit 2 [Begin with the end in mind].
