Mark 10:8

and the two will be in one flesh. So then they are no more two, but one flesh.

Or know ye not that he who is joined to a harlot is one body? For, The two, he says, will be in one flesh.

Therefore a man shall leave his father and his mother, and shall cling to his wife, and {the two (LXX/NT)} shall be one flesh.

So ought the husbands to love their own wives as their own bodies. He who loves his own wife loves himself.

Treasury of Scripture Knowledge

And they twain shall be one flesh: so then they are no more twain, but one flesh.

Or know ye not that he who is joined to a harlot is one body? For, The two, he says, will be in one flesh.

So ought the husbands to love their own wives as their own bodies. He who loves his own wife loves himself.

Separate from this a man will leave his father and mother behind, and will be bonded with his wife, and the two will be in one flesh.