πείθεται πᾶς ἥδιον ἢ βιάζεται (Dio Cassius, Historiae Romanae 8.36.3) → it's always more pleasant to be persuaded than to be forced
P. and V. δυστυχής, δυσδαίμων, ἀτυχής (Eur., Heraclidae 460, but rare V.), Ar. and V. δύσποτμος, δύσμορος (also Antipho. but rare P.), V. ἄμοιρος (also Plato but rare P.), ἄμμορος; see unfortunate.