κρατίστην εἶναι δημοκρατίαν τὴν μήτε πλουσίους ἄγαν μήτε πένητας ἔχουσαν πολίτας → the best democracy is that in which the citizens are neither very rich nor very poor (Thales/Plutarch)
middle voice from a compound of κατά and a derivative of ὀπτάνομαι (compare ἔσοπτρον); to mirror oneself, i.e. to see reflected (figuratively): behold as in a glass.