你不是因为想说点什么才写作，而是因为有些话非说不可才写作。

每个时代都有其巨大的道德盲点。我们可能看不到，但我们的孩子会看到。

I love people who make me laugh. I honestly think it's the thing I like most, to laugh. It cures a multitude of ills. It's probably the most important thing in a person.

Global challenges require global solutions.

行为由驱力和习惯强度的相互作用决定。