I think that one should recognize reality even when one doesn’t like it; indeed, especially when one doesn’t like it.

朗兰兹纲领是理解数学更深层次结构的框架。

解释：一天放过敌人，会留下长期的祸害。

社会系统是个人与个人之间、群体与群体之间关系的网络。