不要烦恼啊不要烦恼，心怀烦恼的人更容易衰老。

Legal rules are not self-executing; they require human agency to be effective.

求知若饥，虚心若愚。

The worst of all deceptions is self-deception.

中国的崛起对自由民主秩序构成了重大挑战。

I'm not a product of the music industry, the music industry is a product of me.

A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.