"Silence is not the absence of something, but the presence of everything."

Concerning the gods, I cannot know either that they exist or that they do not exist, nor what form they might have, for there is much to prevent one's knowing: the obscurity of the subject and the shortness of man's life.

听不到门内嬉笑怒骂，可知这家治理严明；座右题写着格言名句，能知此人志趣高雅。

橄榄树教会我们，力量来自深厚的根基。

释义：世间繁杂的事情看之不尽，天下的书籍读之不尽，世界的道理参悟不尽。

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。

做你自己，别人都已经有人做了。

悲剧是我割破了手指。喜剧是你掉进下水道淹死了。