1 John 2:9-10

2:9 The one who says he is in the light but still hates his fellow Christian is still in the darkness. 2:10 The one who loves his fellow Christian resides in the light, and there is no cause for stumbling in him.

1 John 2:29

2:29 If you know that he is righteous, you also know that everyone who practices righteousness has been fathered by him.

1 John 3:19

3:19 And by this we will know that we are of the truth and will convince our conscience in his presence,