变老的好处之一就是你可以畅所欲言而不必担心后果。

挑战在于让观众感受到一些东西，在情感层面上与他们建立联系。

思想，在理解和想象的程度上，都是被动的。

"War is just a series of moments when you don't die, strung together by fear and luck."

统计学是从数据中学习的科学。

The psychologist must be an impartial observer.

我现在确信理论物理学实际上是哲学。

We must listen to the science and act with urgency to address global energy challenges.

Leadership is about making the tough decisions and standing by them, even when they're unpopular.