Mark 10:6

But from the beginning of the creation God made them male and female.
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George Leo Haydock

AD 1849
But from the beginning of the world it was not thus; for then God only formed one man and one woman, that they might be exclusively and invariably attached to each other.

Tertullian of Carthage

AD 220
I will call your attention to the law of monogamy. The very origin of the human race sanctions it. It is abundantly clear that God ordained it at the beginning as a pattern for posterity. For after he had made Adam, and had foreseen the necessity of providing a helpmate for him, he borrowed from his loins one alone. One woman only did he design for man.

Knowing this first, that no prophecy of the scripture is of any private interpretation - 2 Peter 1:20

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