The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.
阅读的行为是一种同理心的行为，一种走进他人鞋子的方式。
每一种语言都是思想的古老森林。
乐观，悲观，去他的；我们要让它发生。我发誓，我一定要让它成功。
事实的分类以及基于这种分类形成绝对判断——独立于个体思维特性的判断——本质上总结了现代科学的目标和方法。
Success is not about being the best, it's about always getting better.
The future competition is not about price, but about user experience.
