μήτε δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement until you have heard a speech on both sides
Ar. and P. σκῶμμα, τό, or pl., P. χλευασμός, ὁ, χλευασία, ἡ, see mockery.
