—— 请按键盘 空白键 开始游戏 ——

We must not always talk in the market-place of what happens to us in the forest.
革命不是熟透的苹果,自己掉下来。你必须让它掉下来。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
数学不是一项观赏性运动。
Never stop learning, because the world never stops changing.