Matthew 19:6
Thus they are no longer two, but 'one'! What therefore God has joined together, let not man separate."
Romans 7:2
A wife, for instance, whose husband is living is bound to him by the Law; but if her husband dies the law that bound her to him has now no hold over her.
Mark 10:9
What, therefore, God has joined together let not man separate."
1 Corinthians 7:10-14
But to those already married my instructions are--yet not mine, but the Lord's--that a wife is not to leave her husband;
Ephesians 5:28
So too married men ought to love their wives as much as they love themselves. He who loves his wife loves himself.
Hebrews 13:4
Let marriage be held in honour among all, and let the marriage bed be unpolluted; for fornicators and adulterers God will judge.