土地是我们的母亲，河流是我们的血液。我们必须保护她，因为她是我们的生命。

The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.

我不是因为快乐而唱歌；我因为唱歌而快乐。

生命之所以有意义是因为它会停止。

生物学的未来不仅是理解生命，更是创造生命。

Quality is the lifeline of a project, we must never relax our pursuit of quality.

中国的崛起代表了自冷战结束以来对自由国际秩序的最重大挑战。

To understand the arithmetic of algebraic varieties is to understand the symmetries hidden within them.

I'm a very private person. I don't like to talk about my personal life.