1 Corinthians 7:14

7:14 For the unbelieving husband is sanctified because of the wife, and the unbelieving wife because of her husband. Otherwise your children are unclean, but now they are holy.

1 Corinthians 10:28

10:28 But if someone says to you, “This is from a sacrifice,” do not eat, because of the one who told you and because of conscience –