Mark 10:8

King James 2000

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

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Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.

What therefore God has joined together, let not man put asunder.

What? know you not that he who is joined to a harlot is one body? for two, says he, shall be one flesh.

So ought men to love their wives as their own bodies. He that loves his wife loves himself.