Need to kick your willpower into high gear? Improving your self-discipline is half the battle. Self-discipline is the ability to do what needs to be done to reach your goals — even when it’s hard or inconvenient or you’re just not feeling it. These self-discipline quotes can help you stay on track and get into a more focused mindset. 1. “Stop wishing. … Continue reading 21 Self-Discipline Quotes to Keep You on Track