解释：生老病死，既不是外物的作用，也不是自己的力量，都是命运决定的，谁也无法改变。

科学是关于在看似无关的现象之间建立联系。

The real reward of science is the thrill of understanding something new.

Randomized evaluations can help us understand what works and what doesn't in development.

You have to stand up and say, 'There's nothing wrong with me or my shape or who I am, you're the one with the problem!'

作为导演，你必须既是领导者又是倾听者。

暂时不下判断，你就会保持冷静。

人类心智形成和操纵符号的能力使我们区别于其他动物。