It is good, in discourse and speech of conversation, to vary and intermingle speech of the present occasion, with arguments, tales with reasons, asking of questions, with telling of opinions, and jest with earnest.

交谈时，宜使内容有所变化：眼前的事与议论相间，故事与道理相间，提问与发表见解相间，诙谐与认真相间。