The sovereign master says, “These people say they are loyal to me; they say wonderful things about me, but they are not really loyal to me. Their worship consists of nothing but man-made ritual.
But now that you have come to know God (or rather to be known by God), how can you turn back again to the weak and worthless basic forces? Do you want to be enslaved to them all over again?
Take care not to refuse the one who is speaking! For if they did not escape when they refused the one who warned them on earth, how much less shall we, if we reject the one who warns from heaven?