ἐν σφίσι κατὰ τὰς ἰδίας διαφορὰς περιπεσόντες ἐσφάλησαν

From LSJ

ἐνίοτε οἱ οἰκέται εἰς τὴν θάλασσαν ἐλαύνουσιν αὐτούς → sometimes the slaves ride them into the sea

Source

English > Greek (Woodhouse Quotes Reversed)

they were ruined by falling a prey to personal quarrels