Now, however, having come to know God –or rather to be known by Him– how is it you are again turning back to weak and worthless rudimentary notions to which you are once more willing to be enslaved?
Be careful not to refuse to listen to Him who is speaking to you. For if they of old did not escape unpunished when they refused to listen to him who spoke on earth, much less shall we escape who turn a deaf ear to Him who now speaks from Heaven.
Their case is that described in the true proverb, »A dog returns to what he has vomited,« and also in the other proverb, »The sow has washed itself and now goes back to roll in its filth.«