ASV: Hereby we know that we love the children of God, when we love God and do his commandments.
BBE: In this way, we are certain that we have love for the children of God, when we have love for God and keep his laws.
DBY: Hereby know we that we love the children of God, when we love God and keep his commandments.
KJV: By this we know that we love the children of God, when we love God, and keep his commandments.
WEY: The fact that we love God Himself, and obey His commands, is a proof that we love God's children.
WBS: By this we know that we love the children of God, when we love God, and keep his commandments.
WEB: By this we know that we love the children of God, when we love God and keep his commandments.
YLT: in this we know that we love the children of God, when we may love God, and His commands may keep;
