μηδενί δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement on anything until you have heard a speech on both sides
really, genuinely: P. ἀληθινῶς, τῷ ὄντι.
practically, actually: Ar. and P. ἀτεχνῶς.
securely: P. and V. βεβαίως.