And we know that the Son of God has come and has given us understanding, so that we may know him who is true; and we are in him who is true, in his Son Jesus Christ. He is the true God and eternal life.
20 And we know that the Son of God is come As the children of God are assailed on every side, he, as we have said, encourages and exhorts them to persevere in resisting their enemies, and for this reason, because they fight under the banner of God, and certainly know that they are ruled by his Spirit; but he now reminds them where this...
Here we have, I. A recapitulation of the privileges and advantages of sound Christian believers. 1. They are secured against sin, against the fulness of its dominion or the fulness of its guilt: We know that whosoever is born of God (and the believer in Christ is born of God, Jo1 5:1) sinneth not (Jo1 5:18), sinneth not with that fulness of heart and spirit...
Commenting on 1 John 5:18-21
And we know that the Son of God is come,.... That the second Person in the Godhead, who is equal to the Father, and of the same nature with him, is come from the Father, from heaven into this world, not by local motion, but by assumption of nature; that he is come in the flesh, or is become incarnate, in order to work out...