2 Corinthians 6:14
Be you not unequally yoked together with unbelievers: for what fellowship has righteousness with unrighteousness? and what communion has light with darkness?
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1 Corinthians 7:12-13
But to the rest speak I, not the Lord: If any brother has a wife that believes not, and she be pleased to dwell with him, let him not put her away.
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