ὁ λόγος τοῦ Θεοῦ οὐ δέδεται → the word of God will not be dishonoured, the word of God will not be dishonored
heedless: P. and V. ῥᾴθυμος.
off one's guard: P. and V. ἀφύλακτος, ἄφρακτος.
rude: Ar. and P. ἄγροικος; see forgetful.