You can tell more about a person by what he says about others than you can by what others say about him.　　

"The best way to innovate is to start with empathy."

Memory is the only paradise from which we cannot be driven.

"In the end, we will remember not the words of our enemies, but the silence of our friends."

关系模型基于谓词逻辑和集合论，为数据库管理提供了坚实的数学基础。

Emotions can capture attention automatically, demonstrating the close link between affective and cognitive systems.