If you go to the gym and you come home and look into the mirror, you'll see nothing. If you go the next day and you come home, you will see nothing. In fact sometimes you're in pain.

The strong bond of friendship is not always a balanced equation; friendship is not always about giving and taking in equal shares. Instead, friendship is grounded in a feeling that you know exactly who will be there for you when you need something, no matter what or when.

A leader should not take credit when things go right if they are not willing to accept responsibility when things go wrong.

My challenge is to make sure the things I say and the things I do remain consistent for as often and as long as possible. My why is to inspire people to do the things that inspire them so that together we can change our world. That's why I wake up every single day. I'm agnostic to the form it takes: I teach, I write, I speak, I advise.

A true friend is someone with whom protocol is no longer necessary.

To succeed takes more than the desire to win. It also takes the acceptance that we could fail.

Like a good parent can't also be his child's best friend, a leader with authority requires some separation from subordinates.