(9) In this the children of God are manifest, and the children of the devil: whosoever doeth not righteousness is not of God, (10) neither he that loveth not his brother.
(9) The conclusion: by a wicked life they are known who are governed by the Sprit of the devil: and by a pure life who are God's children.
(10) He begins to commend charity towards the brethren as another mark of the sons of God.