卑而不失义，瘁而不失廉。
晏子春秋
User thinking is more important than traffic thinking.
真相往往隐藏在显而易见之处。
朗兰兹纲领是探索数学最深奥谜团的框架。
读经书，阅传注，就为治学打下坚实基础；看史籍，鉴古今，就使宏论滔滔切中肯綮；游山川，观壮景，就使志气凌云眼界开阔；戒嗜好，弃私欲，就使胸怀磊落一尘不染。
The quality of an organization's ethics determines the quality of its reputation.