Darren Hardy - The Compound Effect -

Momentum is the most powerful tool for success. It’s hard to start, but once you get moving, you become an unstoppable force. The secret to keeping momentum is consistency —never breaking the chain.

Every decision you make—what you eat, when you wake up, how you react—shapes your life. To change your life, you must become aware of the hundreds of "micro-choices" you make unconsciously. The Compound Effect - Darren hardy

Forget willpower; it's a limited resource. You need Your goals must be attached to a deep, personal "why" that is strong enough to keep you consistent when the excitement of a new goal wears off. Momentum is the most powerful tool for success