John the Apostle
1 John 2:29BSB·traditional attribution

If you know that He is righteous, you also know that everyone who practices righteousness has been born of Him.

John Calvin Reformed

29. If ye know that he is righteous He again passes on to exhortations, so that he mingles these continually with doctrine throughout the Epistle; but he proves by many arguments that faith is necessarily connected with a holy and pure life.

Matthew Henry Presbyterian

From the blessing of the sacred unction the apostle proceeds in his advice and exhortation to constancy in and with Christ: And now, little children, abide in him, Jo1 2:28. The apostle repeats his kind appellation, little children, which I suppose does not so much denote their diminutiveness as his affection, and therefore, I judge, may be rendered dear children.

Commenting on 1 John 2:28-29

John Gill Reformed Baptist

If ye know that he is righteous,.... That is, Christ, who is righteous as God in his nature and in his works; and as man in his obedience, life, and conversation; and as Mediator, in faithfully discharging the work he undertook; and is the author of an everlasting righteousness, which is imputed by God, revealed in the Gospel, and received by faith; all which they...