John Calvin Reformed @genevareformer

21 And that no lie is of the truth. He concedes to them a judgment, by which they could distinguish truth from falsehood; for it is not the dialectic proposition, that falsehood differs from truth, (such as are taught as general rules in the schools;) but what is said is applied to that which is practical and useful; as though he had said, that they...

Matthew Henry Presbyterian @wholebiblehenry

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

John Gill Reformed Baptist @doctorgill

I have not written unto you,.... Either this epistle, or rather what particularly here regards those apostates from the truth, in order to shun them and not be deceived by them: the apostle here obviates an objection that he saw might be made upon what he last said, that they knew all things; and, if so, why then did he write the things he did, since they knew them before?