1 Corinthians 7:13

And a woman who has a husband who does not believe, if he is willing to live with her, let her not divorce him.

Surrounding context

7:12 But to the rest I, not the Lord, say: If any brother has a wife who does not believe, and she is willing to live with him, let him not divorce her.

7:13 And a woman who has a husband who does not believe, if he is willing to live with her, let her not divorce him.

7:14 For the unbelieving husband is sanctified by the wife, and the unbelieving wife is sanctified by the husband; otherwise your children would be unclean, but now they are holy.

Translation and sources