The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.

追求数学知识是一段永无止境的旅程。

I cover everything with dots to make the world mine.

为什么我会和这样同时代的人一块出生呢？

社交媒体给了我一个我从未知道自己可以拥有的声音，为此，我永远感激。