Matthew 19:4-9

4He answered, a“Have you not read that he who created them from the beginning made them male and female, 5and said, bTherefore a man shall leave his father and his mother and hold fast to his wife, and cthe two shall become one flesh’? 6So they are no longer two but one flesh. dWhat therefore God has joined together, let not man separate.” 7They said to him, eWhy then did Moses command one to give a certificate of divorce and to send her away?” 8He said to them, Because of your fhardness of heart Moses allowed you to divorce your wives, but from the beginning it was not so. 9 gAnd I say to you: whoever divorces his wife, except for sexual immorality, and marries another, commits adultery.”
Some manuscripts add and whoever marries a divorced woman commits adultery; other manuscripts  except for sexual immorality, makes her commit adultery, and whoever marries a divorced woman commits adultery

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