The Bible says: “If the unbelieving one chooses to depart, let him depart; a brother or a sister is not bound under such circumstances, but God has called you to peace. ”
وَضْعُ ٱلْأُمُورِ ٱلرُّوحِيَّةِ أَوَّلًا يَزِيدُ سَعَادَةَ ٱلزَّوْجَيْنِ (‏ اُنْظُرِ ٱلْفِقْرَةَ ١٧ .‏ )‏