Commitment is doing the thing you said you were going to do long after the mood you said it in has left you.

If you truly want to be successful, spend less time following the lives of other people and more time leading your own.

Everything you need to be great is already inside you. Stop waiting for someone or something to light your fire. You have the match.

The key to becoming world-class in your endeavors is to build your performance around world-class routines. It can be difficult, even futile, to predict or control what will show up in the middle of your workday. But you can almost always control how your day starts and ends. I have routines for both.

Only when you’re willing to take 100 percent responsibility for making the relationship work will it work. Otherwise, a relationship left to chance will always be vulnerable to disaster.

Giving to others is the greatest gift you can give yourself.

Forget about willpower. It's time for why-power. Your choices are only meaningful when you connect them to your desires and dreams. The wisest and most motivating choices are the ones aligned with that which you identify as your purpose, your core self, and your highest values. You've got to want something, and know why you want it, or you'll end up giving up too easily.