The act of writing is an act of hope, a belief in the power of words to change the world.

The arithmetic of algebraic groups is a key to understanding the Langlands conjectures.

最重要的是享受你所做的事情。

解释：做朝廷的臣，应该尽忠职守勇于谏言，做百姓的君王，应该广开言路不堵塞民声，才是国家的福泽。