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。
To every action there is always opposed an equal reaction; or, the mutual actions of two bodies upon each other are always equal, and directed to contrary parts.
A witty critique of verbose communication, emphasizing clarity and brevity.
道德的营养不良和精神的中毒对人的心灵的危害,正如身体的营养不良对于身体健康的危害一样。
The opera is a beautiful and irrational world. One could spend a lifetime listening and still not understand everything.