—— 请按键盘 空白键 开始游戏 ——

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.
我不会让消极情绪击垮我。
善恶之间的界限是可渗透的,任何人在环境的逼迫下都可能跨越它。
平凡与非凡之间的区别就在于那一点点额外的努力。
Courage to fail is just as important as the will to succeed.
The world doesn’t fear a new idea. It can pigeonhole it.