—— 请按键盘 空白键 开始游戏 ——

The idea is not to have any 90-degree angles. In the beginning, there was the diagonal. The diagonal comes from the idea of the explosion which "re-forms" the space.
安全是最大的效益,事故是最大的浪费。
Every action has its pleasures and its price.
当保持现状的痛苦大于改变的痛苦时,改变就会发生。
做你自己,因为别人已经有人做了。