Joseph Benson's Commentary of the Old and New Testaments - 1 John 2:3-6
1 John 2:3-6. Hereby we do know that we, truly and savingly, know him As he is the Advocate, the righteous One, the Propitiation; if we keep his commandments Particularly those of faith and love. He that saith, I know him, and keepeth not his commandments, is a liar “The Nicolaitans and Gnostics, notwithstanding they lived in an habitual course of the most criminal sensual indulgences, boasted that they were the objects of God’s love, and sure of obtaining eternal life, merely because... read more
Albert Barnes' Notes on the Whole Bible - 1 John 2:3
And hereby we do know that we know him - To wit, by that which follows, we have evidence that we are truly acquainted with him, and with the requirements of his religion; that is, that we are truly his friends. The word “him” in this verse, seems to refer to the Saviour. On the meaning of the word “know,” see the notes at John 17:3. The apostle had stated in the previous part of this Epistle some of the leading points revealed by the Christian religion, and he here enters on the consideration... read more