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.

"We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way."

你遇到的每个人都在经历一场你看不见的战斗。请善良以待。

"To write is to confront the chaos of existence and find meaning within it."

不要怜悯死者，哈利。怜悯生者，尤其是那些没有爱的人。