质量从来不是偶然的，它总是智慧努力的结果。

可持续性不是一种趋势，而是我们对后代的责任。

"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."

The essence of causal inference is to go beyond the data and ask what would happen if we intervene.

"Writing is a way to make sense of our place in history."

I believe in the discipline of mastering the best that other people have ever figured out.

跨行业合作是解决世界上最严峻挑战的关键。