The alternation of motion is ever proportional to the motive force impressed； and is made in the direction of the right line in which that force is impressed.
物体的加速度与所受的合外力成正比，与物体的质量成反比。加速度的方向与合力的方向相同。
我对漂亮和可爱不感兴趣。我对强烈和情感感兴趣。
The best novels are those that make us see the world differently.
The details are not the details. They make the design.
纠缠不仅仅是量子力学的一个奇特特征 - 它是本质特征。
过去是跟随我们的影子，但前方的光才是引导我们的。
The measure of a man is what he does with power.
