真相很少是纯粹的，也从来不是简单的。
"The truth is rarely pure and never simple."
The causal revolution is about empowering machines to think like humans.
我们不是在制造电脑的行业；我们是在制造伟大软件的行业。
幸福并不容易。很难在我们内心找到它，更不可能在别处找到它。
"There are two occasions when the sacred beauty of Creation becomes dazzlingly apparent, and they occur together. One is when we feel our mortal insufficiency to the world, and the other is when we feel the world's mortal insufficiency to us."
我是一个美国黑人，我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。
The more absurd the world becomes, the more necessary it is to create a sense of order.