Writing is a form of personal freedom. It frees us from the mass identity we see in the making all around us.

经济发展理论研究的是经济系统如何产生不断改变它的力量。

The greatest journeys are those that change us.

The beauty of mathematics is that it is both an art and a science.

集成电路是一个寻找问题的解决方案。