The boundary between physics and mathematics is not as clear-cut as one might think.

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.

每一次挑战都是伪装的机遇。

If you want to walk fast, walk alone. If you want to walk far, walk together.

成功的关键不仅仅是努力工作，而是聪明地工作并适应变化。