"The only limit to our realization of tomorrow will be our doubts of today."
“Tis this times” plague, when madmen lead the blind.
Happiness is not something ready-made. It comes from your own actions.
The power of film lies in its ability to make us feel less alone in the world.
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。