The Science of Self-Discipline: The Willpower, Mental Toughness, and Self-Control to Resist Temptation and Achieve Your Goals (Live a Disciplined Life Book 1)

by Peter Hollins

When you have a deep understanding of the purpose behind your actions and a clear vision of what you want to achieve, then it becomes second nature for you to find the fuel to keep up your efforts and persist until you reach your goal.