社会结构的研究是对社会关系系统的研究。

You are someone I will never forget.

信仰是在你看不见整段楼梯时就踏出第一步。

当统计显示百分之九十五的年青人创业失败，这不应该使人气馁。带着“沉没或游”（破釜沈舟）的精神去闯，一个人就不会沉没。

有些东西是很难找到的。

The potential of CRISPR is limited only by our imagination and our ethics.

We see each building as a gift to the city.

Great music survives not because of institutions that preserve it, but because each generation discovers it anew.

"We are what we pretend to be, so we must be careful about what we pretend to be."