The only way to learn mathematics is to do mathematics.

过去是你所记得的，想象你记得的，说服自己记得的，或假装记得的。

世界需要可持续的解决方案，而不仅仅是临时补救。

常想到会悔恨终生，就不能不尽孝心；常想到度日的艰难，就不得不节约费用；常想到人的生命脆弱，就不得不珍惜心神；常想到世态人情，就不得不立志奋发；常想到法网恢恢，疏而不漏，就不能让自己胡作非为；常想到生命易失，就不得不忍气耐性。

The meaning of a word is not a mental entity， but a social practice.

Failure is the best teacher. You learn by making mistakes and figuring out how to correct them.

"书籍是人类灵魂的镜子，它们反映出我们最深层的恐惧和希望。"

"The act of writing is an act of courage, a defiance against the ephemeral nature of life."

你没有看到这朵花时，这朵花和你的心一样寂静；当你看到这朵花时，这朵花的颜色便立刻鲜明起来。

"To live is the rarest thing in the world. Most people exist, that is all."