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。
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.
The power of literature lies in its ability to transport us to other worlds, to make us see the world through the eyes of others.
"I don’t want to be known just as a tennis player. I want to be known as a good person."
把挑战当作学习和成长的机会。
The brain is a machine assembled not to understand itself, but to survive. It is a machine for making decisions that lead to survival.
未来是愚蠢的。
世界不是由那些正确的人运行的。它是由那些能说服别人他们正确的人运行的。
最好的企业建立在激情和使命之上。