Mark 10:9 YLT

⁷  on this account shall a man leave his father and mother, and shall cleave unto his wife,

⁸  and they shall be -- the two -- for one flesh; so that they are no more two, but one flesh;

⁹  what therefore God did join together, let not man put asunder.'

¹⁰  And in the house again his disciples of the same thing questioned him,

¹¹  and he saith to them, 'Whoever may put away his wife, and may marry another, doth commit adultery against her;