Quomodo adulator ab amico internoscatur

Πῶς ἄν τις διακρίνειε τὸν κόλακα τοῦ φίλοῦ Plutarch. Plutarchi Chaeronensis Moralia, Vol I. Vernardakēs, Grēgorios N., editor. Leipzig: Teubner, 1888.

How to Know a Flatterer from a Friend (eng) Plutarch. Plutarch's Morals, Vol. II. Goodwin, William W., editor; Tullie, George, translator. Boston: Little, Brown, and Company, 1874. How to Tell a Flatterer from a Friend (eng) Plutarch. Moralia, Vol. I. Babbitt, Frank Cole, translator. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1927 (printing).