The secret of being miserable is to have leisure to bother about whether you are happy or not.
一部好的小说应该让你不安,让你质疑你自以为知道的东西。
In mathematics, the journey is as important as the destination.
Poetry is perhaps what teaches us to nurture the charming illusion: how to be reborn out of ourselves over and over again, and use words to construct a better world, a fictitious world that enables us to sign a pact for a permanent and comprehensive peace ... with life.
里氏替换原则是面向对象编程中的一个基本概念,它指出子类的对象应该能够替换超类的对象而不影响程序的正确性。
The only way to do great work is to love what you do.