分析和代数之间的相互作用是数论中许多突破的驱动力。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

Adaptation is the key to evolution.

我不是天才，我只是一个努力工作的人。

我们必须投资研究，使水产养殖更高效，对海洋生态系统的影响更小。