μηδενί δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement on anything until you have heard a speech on both sides
ἀρρύπαρος, -ον (Α) ρυπαρόςο αμόλυντος, ο καθαρός.