Ask at the forum if you have an Ancient or Modern Greek query!
Μὴ κρῖν' ὁρῶν τὸ κάλλος, ἀλλὰ τὸν τρόπον → Mores in arbitrando, non faciem vide → Nach dem Charakter, nicht nach Schönheit urteile
from μήτηρ and the base of ἅλων; a mother-thresher, i.e. matricide: murderer of mothers.