经济学家的角色既是科学家，又是工程师。
The role of the economist is part scientist, part engineer.
一个“履行”的话语不是真或假，而是成功或失败。
"The act of writing is an act of courage, a confrontation with the self and the world."
I like the night. Without the dark, we'd never see the stars.
未来属于那些明白行善就是好生意的人。
语言的研究最终是对人类心灵的研究。
The key to sustainable agriculture is innovation and respect for nature.
天下的事情有难易之分吗？只要去做，难的也会变容易；不去做，容易的也会变难