写作的行为是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。

Boundaries define us. They define what is me and what is not me. A boundary shows me where I end and someone else begins, leading me to a sense of ownership.

The materials we choose today become the legacy we leave tomorrow.

When I hear the word culture, I reach for my checkbook.

跨行业、跨国界的合作是解决全球粮食安全挑战的关键。

Policy debates should be grounded in rigorous empirical analysis.