Malachi 2:16 New American Standard Bible (NASB)
16 "For I hate divorce,” says the Lord, the God of Israel

Mark 10:10-12 New International Version (NIV)
10 When they were in the house again, the disciples asked Jesus about this. 11 He answered, “Anyone who divorces his wife and marries another woman commits adultery against her. 12 And if she divorces her husband and marries another man, she commits adultery.”

1 Corinthians 7:10-11 New International Version (NIV)
10 To the married I give this command (not I, but the Lord): A wife must not separate from her husband. 11 And a husband must not divorce his wife.

Luke 16:18 New International Version (NIV)
18 “Anyone who divorces her husband and marries another man commits adultery, and the woman who marries a divorced man commits adultery.

1 Corinthians 7:39 New International Version (NIV)
39 A woman is bound to her husband as long as he lives.

Matthew 19:6 New International Version (NIV)
6 So they are no longer two, but one flesh. Therefore what God has joined together, let no one separate.”

Romans 7:2-3 New International Version (NIV)
2 For example, by law a married woman is bound to her husband as long as he is alive. 3 So then, if she has sexual relations with another man while her husband is still alive, she is called an adulteress.

Hebrews 13:4 New International Version (NIV)
4 Marriage should be honored by all, and the marriage bed kept pure, for God will judge the adulterer and all the sexually immoral.