Beware of anyone getting hold of you by means of a theosophy which is specious make-believe, on the lines of human tradition, corresponding to the Elemental spirits of the world and not to Christ.
instead of remaining immature, blown from our course and swayed by every passing wind of doctrine, by the adroitness of men who are dexterous in devising error;
Well then, my beloved brothers, hold your ground, immovable; abound in work for the Lord at all times, for you may be sure that in the Lord your labour is never thrown away.
Such creatures are no servants of Christ our Lord, they are slaves of their own base desires; with their plausible and pious talk they beguile the hearts of unsuspecting people. But surely not of you!
Now, remember the height from which you have fallen; repent and act as you did at first. If not, I will come to you [very soon] and remove your lamp stand, unless you repent.
I have told you all this, so that when the time for it arrives, you may remember what I said to you. I did not tell you about this at the beginning, because I was with you then;