The goal of mathematics is to make the simple complicated, and the complicated simple.

孔子在河边说：“时光如流水！日夜不停留。”

Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.

量子力学的本质在于它不描述单个粒子的行为，而是描述它们行为的概率。

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.

A feeling of beauty is a sign that we have come upon a material articulation of certain of our ideas of a good life.