书是一面镜子：如果一只猿猴看进去，一个使徒不太可能看出去。
"A book is a mirror: if an ape looks into it, an apostle is unlikely to look out."
Silence is argument carried out by other means.
过去不是一条线，而是一片风景。
The development of robust learning algorithms requires a deep understanding of the underlying data distribution.