A good algorithm is like a sharp knife—it does exactly what it is supposed to do with a minimum of applied effort.

我对中间状态、事物之间的相互关系感兴趣。

人体是生物工程的杰作。

——《中国人之直言》（1920年4月3日）

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

如果你感到迷茫，就看看自己的内心。