Regum et imperatorum apophthegmata
Plutarch
Plutarch. Plutarchi Chaeronensis Moralia, Vol II. Vernardakēs, Grēgorios N., editor. Leipzig: Teubner, 1889.
οἱ Αἰγυπτίων βασιλεῖς κατὰ νόμον ἑαυτῶν τοὺς δικαστὰς ἐξώρκιζον ὅτι κἂν βασιλεύς τι προστάξῃ κρῖναι τῶν μὴ δικαίων, οὐ κρινοῦσι