1 John 1:3
that which we have seen and heard, we declare to you; that you also may have fellowship with us: and our fellowship truly is with the Father, and with his Son, Jesus Christ.
2 Peter 3:1-2
Beloved, this second epistle I now write to you, in which epistles I stir up your sincere mind to remembrance:
2 Peter 3:17-18
Therefore, beloved, foreknowing these things, be on your guard; lest being also carried away by the deceit of the lawless, you fall from your own steadfastness.
1 John 1:7
But if we walk in the light, as he is in the light; we have fellowship with one another, and the blood of Jesus Christ the Son cleanses us from all sin.
1 John 2:19
They went away from us, but they were not of us. For, if they had been of us, they would have abode with us; but they went away, that they might be made manifest that they were not of us.
Jude 1:20
But you, beloved, building up yourselves on your most holy faith, praying with a holy spirit;