What's the point of having a voice if you're gonna be silent in those moments you shouldn't be?
L-函数的研究证明了抽象在数学中的力量。
"A good picture book leaves room for the reader's imagination to grow."
The more we know, the more we realize how little we know.
阅读好书,就如同与过去几个世纪中最杰出的人物交谈。