μήτε δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement until you have heard a speech on both sides
subs.
Politically: use P. ἀγωνιστής, ὁ.
Orator: P. and V. ῥήτωρ, ὁ.
