—— 请按键盘 空白键 开始游戏 ——

革命不是成熟的苹果,自己掉下来。你必须让它掉下来。
The revolution is not an apple that falls when it is ripe. You have to make it fall.
Mathematics is the language in which the universe is written.
"I want to write books that make children think and feel."