τὸ κακὸν δοκεῖν ποτ' ἐσθλὸν τῷδ' ἔμμεν' ὅτῳ φρένας θεὸς ἄγει πρὸς ἄταν → evil appears as good to him whose mind the god is leading to destruction (Sophocles, Antigone 622f.)
P. and V. φαύλως, P. ἐξ ἐπιδρομῆς, ἐξ ὑπογυίου.
on the spot: P. and V. αὐτόθεν, αὐτίκα, παραυτίκα.