数学是提出正确问题然后找到答案的艺术。
Mathematics is the art of asking the right questions and then finding their answers.
最大的风险是不冒任何风险。在一个快速变化的世界里,唯一注定失败的策略就是不冒险。
The rise of China represents the most significant challenge to the liberal international order since its inception.
让你难过的事情,有一天,你一定会笑着说出来。
The old believe everything; the middle-aged suspect everything; the young know everything.