释义：知足常乐的人会感到快乐，没有欲望没有追求的人会感到轻松。

黄芩（唾手可得）没有造假，阿魏（稀有昂贵）容易造假。

最大的挑战是每天都要进步。

"The books that the world calls immoral are books that show the world its own shame."

The meaning of "knowing" has shifted from being able to remember and repeat information to being able to find and use it.

释义：批评官僚系统因惰性而非恶意造成的破坏。