μηδενί δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement on anything until you have heard a speech on both sides
P. and V. εὐτυχῶς, εὐδαιμόνως, μακαρίως.
as luck would have it: P. κατὰ τύχην (Thuc. 3, 49).
auspiciously: P. and V. εὖ, καλῶς, V. αἰσίως.