A wise man knows his own ignorance.
智者自知其无知。
I decided, very early on, just to accept life unconditionally; I never expected it to do anything special for me, yet I seemed to accomplish far more than I had ever hoped. Most of the time it just happened to me without my ever seeking it.
里氏替换原则是面向对象编程中的一个基本概念，确保派生类可以替代其基类使用，而不会改变程序的正确性。
创新需要勇气，更需要坚持。
我不是产品，我是人。
"I think it should be called a lie because a pig is not like a day and people do not have skeletons in their cupboards."