我坚持我所相信的，不在乎别人的看法。

"Randomized experiments are the gold standard for causal inference, but they are not always feasible."

No matter how hard it is, I will never give up on my dreams.

The law isn't justice. It's a very imperfect mechanism. If you press exactly the right buttons and are also lucky, justice may show up in the answer.

The ocean is full of opportunities, but you have to know where to look and be prepared to act.

The paper industry has a responsibility to lead the way in environmental stewardship.

底层是城市与建筑相遇的地方——这是最重要的楼层。

工作的乐趣在于一个词——卓越。知道如何做好一件事就是享受它。