—— 请按键盘 空白键 开始游戏 ——

Actions are right in proportion as they tend to promote happiness; wrong as they tend to produce the reverse of happiness.
The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.
种荆棘会得到刺,种桃李会得到树荫。比喻善恶有报