Akkhanasutta 7.2

7.2

ayañca puggalo majjhimesu janapadesu paccājāto hoti, so ca hoti duppañño jaḷo eḷamūgo appaṭibalo subhāsitadubbhāsitassa atthamaññātuṃ.

And an individual is reborn in a central country. But they’re witless, dull, idiotic, and unable to distinguish what is well said from what is poorly said.