v.29 'If you know that he is righteous, you know that everyone who does what is right has been born of him.' --  This is how we can know (another test) that we are abiding in Him: because we know He is righteous, we who claim to belong to Him do what is right!  Isn’t that simple?  How do you know if you are really a Christian?  You do what is right because you are abiding in Him and He is abiding in you…