"Examine yourselves, to see whether you are in the faith. Test yourselves. Or do you not realize this about yourselves, that Jesus Christ is in you?—unless indeed you fail to meet the test!"
-- 2 Corinthians 13:5
But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus his Son cleanses us from all sin.
--- 1 John 1:7
If we say we have no sin, we deceive ourselves, and the truth is not in us.
--- 1 John 1:8
And by this we know that we have come to know him, if we keep his commandments.
--- 1 John 2:3
Do not love the world or the things in the world. If anyone loves the world, the love of the Father is not in him.
--- 1 John 2:15
No one who denies the Son has the Father. Whoever confesses the Son has the Father also.
--- 1 John 2:23
Beloved, we are God's children now, and what we will be has not yet appeared; but we know that when he appears we shall be like him, because we shall see him as he is.
--- 1 John 3:2
No one born of God makes a practice of sinning, for God's seed abides in him; and he cannot keep on sinning, because he has been born of God.
--- 1 John 3:9
We know that we have passed out of death into life, because we love the brothers. Whoever does not love abides in death.
--- 1 John 3:14
Whoever confesses that Jesus is the Son of God, God abides in him, and he in God.
--- 1 John 4:15