¹⁷ Therefore, dear friends, since you have been forewarned, be on your guard^(A) so that you may not be carried away by the error^(B) of the lawless^(C) and fall from your secure position.^(D)

¹⁰ Anyone who loves their brother and sister^[a] lives in the light,^(A) and there is nothing in them to make them stumble.^(B)