Many people believe that the key to success lies in motivation — the fire that drives us to take action. Motivation is undoubtedly a powerful force, but one of its greatest weaknesses is its instability. Motivation comes and goes, and relying on it means taking action only when you feel inspired and enthusiastic. On the other hand, discipline is what keeps you moving even when motivation is absent. If motivation is a desire, discipline is a habit. When you rely on discipline,