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。
Efficiency without responsibility is just reckless speed.
Innovation is not just about technology; it's about changing the way people think and live.
我们能体验到的最美丽的东西是神秘。它是所有真正艺术和科学的源泉。