There's no language in the world that has a rule that says the fifth word has to be a verb.

世界上并没有语言规定,说第五个词必须是动词

耶鲁公开课 - 心理学导论课程节选

There's no rule about how you're supposed to use the word "Language."

因为并没有什么,关于应当如何运用"语言"一词的规定

耶鲁公开课 - 心理学导论课程节选

A very simple language. And one rule.

简单的语言,只有一条规则

耶鲁公开课 - 心理学导论课程节选