1 John 2:29; 1 John 3:7; 1 John 3:10

29 If ye know that he is righteous, ye know that every one that doeth righteousness is born of him.
7 Little children, let no man deceive you: he that doeth righteousness is righteous, even as he is righteous.
10 In this the children of God are manifest, and the children of the devil: whosoever doeth not righteousness is not of God, neither he that loveth not his brother.