—— 请按键盘 空白键 开始游戏 ——

Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
Education has for its object the formation of character.
百姓如果没有粮食,就不能供君王役使。所以,粮食不可不努力耕种,用度不可不厉行节俭。
Change is inevitable, but growth is optional.