Time is money, don't waste it.

True strength is not in the muscles, but in the heart.

The most powerful tool for change is knowledge, rigorously pursued and widely shared.

I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be - and then to fight so hard for it every day that the lie becomes the truth.

Leadership means making tough decisions with compassion and clarity.

你总能变得更好。