One Dhamma speaker speaks much and stays on topic. And their assembly can tell what’s on topic and what’s off topic. Such an assembly regards such a Dhamma speaker simply as a Dhamma speaker. These are the four Dhamma speakers.”

Numbered Discourses 4.140 14. Individuals Speaker

“Mendicants, there are these four speakers. What four? There’s a speaker who runs out of meaningful things to say, but not of ways of phrasing things. There’s a speaker who runs out of ways of phrasing things, but not of meaningful things to say. There’s a speaker who runs out of both meaningful things to say, and ways of phrasing things. There’s a speaker who never runs out of meaningful things to say, or ways of phrasing things. These are the four speakers. It is impossible, it cannot happen that someone accomplished in the four kinds of textual analysis will ever run out of meaningful things to say, or ways of phrasing things.”

Numbered Discourses 4.141 15. Brightness Brightness