The power of mathematics is in its abstraction, allowing us to see patterns and connections that are not immediately obvious.
【译文】酒要和了解自己的人一起喝，诗要与懂得它的人一起吟。认识的人可以很多，但真正了解，并达到知心的却没有几个。
"To be useful was the best thing the old men ever hoped for themselves, and to be aimless was their worst fear."