生活就是选择的累加。

The past is always present in the work.

The greatest truths are often the ones we cannot put into words.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

孔子说：“花言巧语、满脸堆笑的人，很少有仁爱之心。”

数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。