You, however, have an anointing from the Holy One, and all of you know the truth.
20 But ye have an unction. The Apostle modestly excuses himself for having so earnestly warned them, lest they should think that they were indirectly reproved, as though they were rude and ignorant of those things which they ought to have well known. So Paul conceded wisdom to the Romans, that they were able and fit to admonish others.
Here, I. The apostle encourages the disciples (to whom he writes) in these dangerous times, in this hour of seducers; he encourages them in the assurance of their stability in this day of apostasy: But you have an unction from the Holy One, and you know all things. We see, 1. The blessing wherewith they were enriched - an unguent from heaven: You have an unction.
Commenting on 1 John 2:20-27
But ye have an unction from the Holy One,.... Meaning the Spirit, and his graces, with which Christ, the head, is anointed without measure, and his members in measure; from whence he is called Christ, and they Christians. These were really the Lord's anointed ones; they were true believers; were the wise virgins who had oil in their vessels with their lamps, which would never go out.