君子不用水来当镜子,而是拿别人来当镜子。用水当镜子可以看到的是容貌,用人当镜子则可以知道吉凶对错。
The mind is a network of interdependent processes.
In the end, we will remember not the words of our enemies, but the silence of our friends.
儿童的进步不是取决于年龄,而是取决于能够自由地观看他周围的一切。
Mathematics is the art of giving the same name to different things.
Acknowledging what you don't know is the dawning of wisdom.