Thematic Bible: Unbelieving spouses

To those who are married my direction is-yet it is not mine, but the Master's-that a woman is not to leave her husband (If she has done so, let her remain as she is, or else be reconciled to her husband) and also that a man is not to divorce his wife. To all others I say-I, not the Master-If a Brother is married to a woman, who is an unbeliever but willing to live with him, he should not divorce her; read more.
And a woman who is married to a man, who is an unbeliever but willing to live with her, should not divorce her husband. For, through his wife, the husband who is an unbeliever has become associated with Christ's People; and the wife who is an unbeliever has become associated with Christ's People through our Brother whom she has married. Otherwise your children would be 'defiled,' but, as it is, they belong to Christ's People. However, if the unbeliever wishes to be separated, let him be so. Under such circumstances neither the Brother nor the Sister is bound; God has called you to live in peace. How can you tell, wife, whether you may not save your husband? and how can you tell, husband, whether you may not save your wife?