μηδενί δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement on anything until you have heard a speech on both sides
ἀάσκω: βλάπτω· «ἀάσκει, βλάπτει, φθείρει», Ἡσύχ.