The tigers of wrath are wiser than the horses of instruction.
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。
My goal is not to defeat others but to surpass myself.
要想端正自身行为,先要端正自己的身心;要想处理好天下大事,先要处理好身边小事。