1 Corinthians 7:2
7:2 But because of immoralities, each man should have relations with
his own wife and each woman with
her own husband.
1 Corinthians 7:10-11
7:10 To the married I give this command – not I, but the Lord – a wife should not divorce a husband
7:11 (but if she does, let her remain unmarried, or be reconciled to her husband), and a husband should not divorce his wife.
1 Corinthians 7:27
7:27 The one bound to a wife should not seek divorce. The one released from a wife should not seek marriage.