John the Apostle
1 John 3:9ESV·traditional attribution

No one born of God makes a practice of sinning, for God’s seed abides in him; and he cannot keep on sinning, because he has been born of God.

John Calvin Reformed @genevareformer

He says that they sin not who are born of God. Now, we must consider, whether God wholly regenerates us at once, or whether the remains of the old man continue in us until death. If regeneration is not as yet full and complete, it does not exempt us from the bondage of sin except in proportion to its own extent.

Matthew Henry Presbyterian @wholebiblehenry

The apostle, having alleged the believer's obligation to purity from his hope of heaven, and of communion with Christ in glory at the day of his appearance, now proceeds to fill his own mouth and the believer's mind with multiplied arguments against sin, and all communion with the impure unfruitful works of darkness. And so he reasons and argues, I.

Commenting on 1 John 3:4-10

John Gill Reformed Baptist @doctorgill

Whosoever is born of God,.... In a figurative and spiritual sense; who are regenerated, or born from above; who are quickened by the grace of God, and have Christ formed in them; who are made partakers of the divine nature, and new creatures in Christ; which spiritual birth is not owing to men, to the power and will of men, but to the grace of...