In return—I speak as to children—open wide your hearts also.
Do not be mismatched with unbelievers. For what partnership is there between righteousness and lawlessness? Or what fellowship is there between light and darkness?
What agreement does Christ have with Beliar? Or what does a believer share with an unbeliever?
What agreement has the temple of God with idols? For we are the temple of the living God; as God said, "I will live in them and walk among them, and I will be their God, and they shall be my people.
References for 2 Corinthians 6:16
Therefore come out from them, and be separate from them, says the Lord, and touch nothing unclean; then I will welcome you,
and I will be your father, and you shall be my sons and daughters, says the Lord Almighty."