4 Bible Verses about Marriages, Believers With Unbelievers

Do not be yoked together with unbelievers. For what partnership have righteousness and lawlessness? Or what fellowship has light with darkness? What harmony has Christ with Belial? Or what has a believer in common 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.

Do not be deceived: "Bad company corrupts good morals."

We know that we are of God, and the whole world is under the power of the evil one.

Do you not know that your bodies are members of Christ? Shall I then take the members of Christ and make them members of a prostitute? Never! Or do you not know that he who joins himself to a prostitute becomes one body with her? For, as it is written, "The two shall become one flesh." But he who unites himself with the Lord is one spirit with him.read more.
Flee immorality. Every other sin that a man commits is outside the body, but the immoral man sins against his own body. Do you not know that your body is a temple of the Holy Spirit, who is in you, whom you have received from God? You are not your own; you were bought with a price. Therefore glorify God in your body.