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.

Challenges are what make life interesting and overcoming them is what makes life meaningful.

数学是将复杂转化为清晰的艺术。

There are no such things as applied sciences, only applications of science.

Collaboration is the fertilizer for growth in agriculture.