8 Bible Verses about Marriages, Believers With Unbelievers

Be not unequally yoked with unbelievers: for what fellowship have righteousness and iniquity? or what communion hath light with darkness? And what concord hath Christ with Belial? or what portion hath a believer with an unbeliever? And what agreement hath a temple of God with idols? for we are a temple of the living God; even as God said, I will dwell in them, and walk in them; and I will be their God, and they shall be my people.

Shall two walk together, except they have agreed?

Be not deceived: Evil companionships corrupt good morals.

We know that we are of God, and the whole world lieth in the evil one.

And it came to pass, when men began to multiply on the face of the ground, and daughters were born unto them, that the sons of God saw the daughters of men that they were fair; and they took them wives of all that they chose. And Jehovah said, My spirit shall not strive with man for ever, for that he also is flesh: yet shall his days be a hundred and twenty years.read more.
The Nephilim were in the earth in those days, and also after that, when the sons of God came unto the daughters of men, and they bare children to them: the same were the mighty men that were of old, the men of renown.

Know ye not that your bodies are members of Christ? shall I then take away the members of Christ, and make them members of a harlot? God forbid. Or know ye not that he that is joined to a harlot is one body? for, The twain, saith he, shall become one flesh. But he that is joined unto the Lord is one spirit.read more.
Flee fornication. Every sin that a man doeth is without the body; but he that committeth fornication sinneth against his own body. Or know ye not that your body is a temple of the Holy Spirit which is in you, which ye have from God? and ye are not your own; for ye were bought with a price: glorify God therefore in your body.

Now therefore make confession unto Jehovah, the God of your fathers, and do his pleasure; and separate yourselves from the peoples of the land, and from the foreign women.

When Jehovah thy God shall bring thee into the land whither thou goest to possess it, and shall cast out many nations before thee, the Hittite, and the Girgashite, and the Amorite, and the Canaanite, and the Perizzite, and the Hivite, and the Jebusite, seven nations greater and mightier than thou; and when Jehovah thy God shall deliver them up before thee, and thou shalt smite them; then thou shalt utterly destroy them: thou shalt make no covenant with them, nor show mercy unto them; neither shalt thou make marriages with them; thy daughter thou shalt not give unto his son, nor his daughter shalt thou take unto thy son.read more.
For he will turn away thy son from following me, that they may serve other gods: so will the anger of Jehovah be kindled against you, and he will destroy thee quickly.