—— 请按键盘 空白键 开始游戏 ——

The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.
A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.
You don't have to be a person that's always with somebody to be happy. You can be happy alone.
我不在乎留下什么遗产。我不在乎是否被人铭记。