To write is to wrestle with silence.

"There is no such thing as a moral or an immoral book. Books are well written, or badly written."

在数学中，就像在生活中一样，最优雅的解决方案往往来自于对问题的深刻理解。

True craftsmanship lies in making the difficult look effortless.

质量不是给定的；它是赢得的。