"We must all suffer one of two things: the pain of discipline or the pain of regret or disappointment."
Attaining success requires discipline - no surprise to anyone. Sidenote: I'm a big advocate of definitions as too many discussions have lacked resolution and too many articles have left the reader confused by not properly defining the parameters of the subject under consideration. "He has too much talent!" "She just got lucky!", etc. Talent? Luck?
So, what does "discipline" mean? One dictionary.com definition defines "discipline" as: "
Coaches, parents, and mentors provide the guidance, to help you progress throughout life. It should not be a lack of knowledge that prevents you from reaching your goal (if it is, then do a Google search on the people who have accomplished a similar goal and mirror their activities, for a start). Discipline is applying that guidance on your own. It means, when your trainer isn't looking, choosing a salad over a burger. The activities you practice may need to be fine tuned as you continue to improve in your chosen field, but discipline will push you to a level of familiarity with a process where you can productively assess each of your activities and make the necessary adjustments.