If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

Every challenge in business is an opportunity to rewrite the rules.

真理不在光明中，而在我们不敢直视的阴影里。

领导力是关于今天做出艰难的决定，这些决定将使后代受益。