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。
Quality is not a fad; it is a philosophy.
未来属于那些今天为之准备的人。
Data is the new oil, but unlike oil, it’s not a finite resource.
My art is a mirror of my mind.