The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.
数学的研究就像空气或重力——它无处不在,你看不到它,但你知道它在那里。
The difference between ordinary and extraordinary is that little extra.
海洋生态平衡是我们共同的责任,没有人可以置身事外。
可持续性不仅仅是种树,而是在正确的地方为了正确的理由种正确的树。