每一个数学问题都是通向更深入理解世界的窗口。
Every mathematical problem is a window into a deeper understanding of the world.
译文:水源都搞脏了还想水流清澈,木头都弄弯了还想要影子笔直——做梦!
"Man is not what he thinks he is, he is what he hides."
The sun, the sea, the wind—these are the eternal poets.