Bruta animalia ratione uti

Περὶ τοῦ τὰ ἄλογα λόγῳ χρῆσθαι Plutarch. Plutarchi Chaeronensis Moralia, Vol. VI. Vernardakēs, Grēgorios N., editor. Leipzig: Teubner, 1895.

That brute beasts make use of reason (eng) Plutarch. Plutarch's Morals, Vol. V. Goodwin, William W., editor; J., A., Sir, translator. Boston: Little, Brown, and Company; Cambridge: Press of John Wilson and Son, 1874. Beasts are rational (eng) Plutarch. Moralia, Vol. XII. Cherniss, Harold, and Helmbold, William C., translators. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1957 (printing)