No one who abides in him keeps on sinning; no one who keeps on sinning has either seen him or known him.
6 Whosoever sinneth hath not seen him. According to his usual manner he added the opposite clause, that we may know that faith in Christ and knowledge of him are vainly pretended, except there be newness of life. For Christ is never dormant where he reigns, but the Spirit renders effectual his power.
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
Whosoever abideth in him,.... As the branch in the vine, deriving all light, life, grace, holiness, wisdom, strength, joy, peace, and comfort from Christ; or dwells in him by faith, enjoys communion with him as a fruit of union to him; and stands fast in him, being rooted and grounded in him, and abides by him, his truths and ordinances, takes up his rest, and...