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.

Every mathematical problem is a window into a deeper understanding of the world.

一旦我们接受了自己的限制， 我们就超越它们了！

【释义】多次迁徙而没有固定的居所，但只要心如长者，就不会有忧患。

The past is always constructed from the present.

思想之流即生存之流。

In seeking truth you have to get both sides of a story.

当你排除了所有不可能的情况，剩下的，不管多么难以置信，都一定是真相。