The goal of mathematics is not to solve problems, but to understand them.

生命的终结是幸福，而幸福是宁静。

你后半生的深刻个人材料就是你的童年。

I don't believe in perfection. I think that's a very dangerous idea. It's a very unattainable idea.

效率和道德必须齐头并进。今天的偷工减料明天将让我们付出沉重代价。

读书人如同国家的宝物，儒生就像宴席上的佳肴一样，值得珍重。

故事的力量在于它可以改变世界。