在气候变化问题上，我们必须成为解决方案的一部分。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

The difference between ordinary and extraordinary is that little extra.

数学的研究是所有智力和精神进步不可或缺的基础。

用我们的教学方法，导师教得少，但却观察得多。

公司的声誉是其最宝贵的资产。