1 Corinthians 7:11
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 7:13
7:13 And if a woman has a husband who is not a believer and he is happy to live with her, she should not divorce him.
1 Corinthians 7:15
7:15 But if the unbeliever wants a divorce, let it take place. In these circumstances the brother or sister is not bound. God has called you in peace.
1 Corinthians 7:12
7:12 To the rest I say – I, not the Lord – if a brother has a wife who is not a believer and she is happy to live with him, he should not divorce her.