1 John 3:3

3:3 And everyone who has this hope focused on him purifies himself, just as Jesus is pure).

1 John 3:23-24

3:23 Now this is his commandment: that we believe in the name of his Son Jesus Christ and love one another, just as he gave us the commandment. 3:24 And the person who keeps his commandments resides in God, and God in him. Now by this we know that God resides in us: by the Spirit he has given us.