如果你在尝试改变世界，那么你正在做真正重要的事情。相信你每天都会在兴奋中起床。

The world is a story waiting to be written.

The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.

"When you do something best in life, you don’t really want to give that up – and for me it’s tennis."

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

"In science, we find not just answers, but better questions."

I'm the walking dead, but I'm just a talking head, a zombie floating around but I'm never dead.