“Mendicants, these four people are found in the world. What four?
One who understands immediately,
one who understands after detailed explanation,
one who needs education,
and one who merely learns by rote.
These are the four people found in the world.”
Read this translation of Aṅguttara Nikāya 4.133 Ugghaṭitaññūsutta: One Who Understands Immediately by Bhikkhu Sujato on SuttaCentral.net. Or listen on PaliAudio.com or SC-Voice.net.