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可信因果推斷的關鍵不僅是方法，還有方法與當前問題的契合度。

我的目的很簡單。它是一個對宇宙的完整理解，為什么它是這樣的和為什么它存在著，僅此而已。

There is only one real sin, and that is to persuade oneself that the second-best is anything but the second-best.

1983年12月，楊振寧向鄧小平建議

In the realm of mathematics, every problem is an opportunity to discover something new and profound.

To grow vegetables is to grow hope; every seed planted is a promise to the future.

我感激每一個挑戰，因為它讓我更強大。

數據驅動的研究可以挑戰長期持有的經濟假設。