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。
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.
最好的剪辑是那些你注意不到的剪辑。
We have the mini and the micro computer. In what semantic niche would the pico computer fall?
挑战是伪装的机遇；拥抱它们并变得更强大。
We must design technology that adapts to human behavior, not the other way around.
Evolution is the greatest story ever told.