John the Apostle
1 John 1:8BSB·traditional attribution

If we say we have no sin, we deceive ourselves, and the truth is not in us.

John Calvin Reformed @genevareformer

8. If we say. He now commends grace from its necessity; for as no one is free from sin, he intimates that we are all lost and undone, except the Lord comes to our aid with the remedy of pardon.

Matthew Henry Presbyterian @wholebiblehenry

Here, I. The apostle, having supposed that even those of this heavenly communion have yet their sin, proceeds here to justify that supposition, and this he does by showing the dreadful consequences of denying it, and that in two particulars: - 1. If we say, We have no sin, we deceive ourselves, and the truth is not in us, Jo1 1:8.

Commenting on 1 John 1:8-10

John Gill Reformed Baptist @doctorgill

If we say that we have no sin,.... Notwithstanding believers are cleansed from their sins by the blood of Christ, yet they are not without sin; no man is without sin: this is not only true of all men, as they come into the world, being conceived in sin, and shapen in iniquity, and of all that are in a state of unregeneracy, and of...