"Grief is not a linear process. It comes in waves, and sometimes those waves knock you down."
悲伤不是线性的过程。它像波浪一样袭来，有时那些波浪会把你击倒。
Development economics is ultimately about improving people's lives.
优质水果始于优质土壤 - 我们必须呵护所有生长的基础。
It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be intelligent.
发展经济学最终是为了改善人们的生活。
人类的心灵是一个复杂而迷人的主题，理解它既需要科学的严谨性，也需要一点创造力。
"A good book is a magic gateway into a wider world of wonder, of beauty, of truth."
"History is not the past—it is the method we have evolved of organizing our ignorance of the past."