当你停下来思考你是否爱一个人时,你已经永远停止爱那个人了。
The moment you stop to think about whether you love someone, you've already stopped loving that person forever.
The process of mathematical discovery is not about reaching a destination, but about the journey itself.
学习一门新编程语言的最好方法是用它写程序。
Without food, man can live at most but a few weeks; without it, all other components of social justice are meaningless.
学习达到快乐的境界就成功了。