The beauty of mathematics is that it is so simple yet so powerful.
数学的美在于它如此简单却又如此强大。
在烦恼的黑暗宅院中,要常常生出智慧的光明。
Curiosity is the engine that drives scientific progress.
每个家庭都有自己的秘密,但有些秘密埋藏得比其他更深。