De capienda ex inimicis utilitate

Πῶς ἄν τις ἀπ’ ἐχθρῶν ὠφελοῖτο Plutarch. Plutarchi Chaeronensis Moralia, Vol I. Vernardakēs, Grēgorios N., editor. Leipzig: Teubner, 1888.

How a man may receive advantage and profit from his enemies. (eng) Plutarch. Plutarch's Morals, Vol. I. Goodwin, William W., editor; Hartcliff, John, translator. Boston: Little, Brown, and Company; Cambridge: Press of John Wilson and Son, 1874. How To Profit By One's Enemies (eng) Plutarch. Moralia, Vol. II. Babbitt, Frank Cole, translator. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1928 (printing).