5.2 (1303 a 25-27; tr. David Keyt):
Difference of race also tends to produce faction, until the city shares a common spirit. For just as a city does not arise from any chance multitude, so neither does it arise in any chance period of time. That is why most of those who in the past admitted joint colonists or later colonists have split into factions.
στασιωτικὸν δὲ καὶ τὸ μὴ ὁμόφυλον, ἕως ἂν συμπνεύσῃ· ὥσπερ γὰρ οὐδ᾿ ἐκ τοῦ τυχόντος πλήθους πόλις γίγνεται, οὕτως οὐδ᾿ ἐν τῷ τυχόντι χρόνῳ. διὸ ὅσοι ἤδη συνοίκους ἐδέξαντο ἢ ἐποίκους οἱ πλεῖστοι ἐστασίασαν ...