Ῥύου δὲ σαυτὸν παντὸς ἐκ φαύλου τρόπου → Ex omni more malefico tete eruas → Bewahre dich vor jeder üblen Lebensart
heedless: P. and V. ῥᾴθυμος.
off one's guard: P. and V. ἀφύλακτος, ἄφρακτος.
rude: Ar. and P. ἄγροικος; see forgetful.