—— 请按键盘 空白键 开始游戏 ——

今天我们种下的每一粒种子都是对后代的承诺。
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.
科学是一段旅程,而不是终点。
我认为在生活和职业中冒险是很重要的。
两个物体的相互作用力总是大小相等,方向相反,同时出现或消失且作用于同一直线上。
Life is the teacher, and love is the lesson.