可怕的是假装二流是一流。假装你不需要爱,当你需要的时候;或者你喜欢你的工作,当你很清楚你能够做得更好时。
The most profound insights in mathematics often come from unexpected analogies.
If you want to understand function, study structure.
Don't be afraid of failure, be afraid of not having the courage to try.
我不是一个轻易放弃的人。