Kur’an 2:221 — sura Al-Baqarah, 221. ajet

وَلَا تَنكِحُواْ ٱلۡمُشۡرِكَٰتِ حَتَّىٰ يُؤۡمِنَّۚ وَلَأَمَةٞ مُّؤۡمِنَةٌ خَيۡرٞ مِّن مُّشۡرِكَةٖ وَلَوۡ أَعۡجَبَتۡكُمۡۗ وَلَا تُنكِحُواْ ٱلۡمُشۡرِكِينَ حَتَّىٰ يُؤۡمِنُواْۚ وَلَعَبۡدٞ مُّؤۡمِنٌ خَيۡرٞ مِّن مُّشۡرِكٖ وَلَوۡ أَعۡجَبَكُمۡۗ أُوْلَـٰٓئِكَ يَدۡعُونَ إِلَى ٱلنَّارِۖ وَٱللَّهُ يَدۡعُوٓاْ إِلَى ٱلۡجَنَّةِ وَٱلۡمَغۡفِرَةِ بِإِذۡنِهِۦۖ وَيُبَيِّنُ ءَايَٰتِهِۦ لِلنَّاسِ لَعَلَّهُمۡ يَتَذَكَّرُونَ

Ne ženite se mnogoboškinjama dok ne postanu vjernice; uistinu je robinja-vjernica bolja od mnogoboškinje, makar vam se i sviđala. Ne udavajte vjernice za mnogobošce dok ne postanu vjernici; uistinu je rob-vjernik bolji od mnogobošca, makar vam se i dopadao. Oni zovu u Džehennem, a Allah, voljom Svojom, nudi Džennet i oprost, i objašnjava ljudima dokaze Svoje, da bi razmislili.

And do not marry polytheistic women until they believe. And a believing slave woman is better than a polytheist, even though she might please you. And do not marry polytheistic men [to your women] until they believe. And a believing slave is better than a polytheist, even though he might please you. Those invite [you] to the Fire, but Allah invites to Paradise and to forgiveness, by His permission. And He makes clear His verses to the people that perhaps they may remember