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.
生活是世界上最罕见的事情。大多数人只是存在，仅此而已。
"I always believe if you’re stuck in a hole and maybe things aren’t going well you will come out stronger."
儿童的教养源于成人的修为而非说教。
The most beautiful thing a person can experience is the mysterious.
数学家的工作是在别人看到混乱的地方发现模式。