“Discipline is choosing between what you want now and what you want most.”
“Discipline is remembering what you want.”
“Discipline is doing what you don't want to do so you can do what you want to do.”
“The chief cause of failure and unhappiness is trading what you want most for what you want right now”
“This is the most beautiful piece of advice I can offer. I you don't have what you want now, you don't have what you want.”
“Freedom begins way back. It begins not with doing what you want but with doing what you ought - that is, with discipline.”