Mark 10:8

American Standard Version (1901)

and the two shall become one flesh: so that they are no more two, but one flesh.

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Even so ought husbands also to love their own wives as their own bodies. He that loveth his own wife loveth himself:

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

Or know ye not that he that is joined to a harlot is one body? for, The twain, saith he, shall become one flesh.

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