Bible Verses About Polygamy: Forbidden

Thou shalt not take thy wife's sister for a harlot, to rival her: neither shalt thou discover her nakedness, while she is yet living.

He shall not have many wives, that may allure his mind, nor immense sums of silver and gold.

And you have said: For what cause? Because the Lord hath been witness between thee, and the wife of thy youth, whom thou hast despised: yet she was thy partner, and the wife of thy covenant.

Did not one make her, and she is the residue of his spirit? And what doth one seek, but the seed of God? Keep then your spirit, and despise not the wife of thy youth.

Who answering, said to them: Have ye not read, that he who made man from the beginning, made them male and female? And he said:

For this cause shall a man leave father and mother, and shall cleave to his wife, and they two shall be in one flesh.

And the Pharisees coming to him asked him, tempting him: Is it lawful for a man to put away his wife?

But he answering, saith to them: What did Moses command you?

Who said: Moses permitted to write a bill of divorce and to put her away.

To whom Jesus answering, said: Because of the hardness of your heart, he wrote you that precept.

But from the beginning of the creation, God made them male and female.

For this cause, a man shall leave his father and mother and shall cleave to his wife.

And they two shall be in one flesh. Therefore now they are not two, but one flesh.

It behoveth therefore a bishop to be blameless, the husband of one wife, sober, prudent, of good behaviour, chaste, given to hospitality, a teacher,

Let deacons be the husbands of one wife: who rule well their children and their own houses.

If any be without crime, the husband of one wife. having faithful children, not accused of riot or unruly.