Be not deceived (mh planasqe). Prohibition with mh and the present passive imperative of planaw, common verb to lead astray. This is the way of sin to deceive and to kill ( Romans 7:7-14 ). The devil is a pastmaster at blinding men's eyes about sin ( 2 Corinthians 4:4 ; Romans 1:27 ; Ephesians 4:14 ; etc.).