—— 请按键盘 空白键 开始游戏 ——

质量从来不是偶然的;它始终是智慧努力的结果。
人不是生下来就懂得道理的,谁能没有疑惑?
The teacher should not teach as if he were pouring knowledge into an empty vessel, but rather as if he were lighting a fire.
勇敢地去尝试新事物,即使一开始做得不好。