—— 请按键盘 空白键 开始游戏 ——

The joy of drawing is in the freedom to create worlds that don't exist.
数学不是观赏性运动——你必须参与其中才能欣赏它的美。
Inflation is a very simple idea, but it explains a lot of things.
释义:不能因为一点小瑕疵就损坏一个大的器物。