Al-Baqarah 2:221 ولا تنكحوا المشركات حتى يومن ولامة مومنة خير من مشركة ولو اعجبتكم ولا تنكحوا المشركين حتى يومنوا ولعبد مومن خير من مشرك ولو اعجبكم اولايك يدعون الى النار والله يدعو الى الجنة والمغفرة باذنه ويبين اياته للناس لعلهم يتذكرون ٢٢١

And do not marry Al-Mushrikât (idolatresses, etc.) till they believe (worship Allâh Alone). And indeed a slave woman who believes is better than a (free) Mushrikah (idolatress), even though she pleases you. And give not (your daughters) in marriage to Al-Mushrikûn¹ till they believe (in Allâh Alone) and verily, a believing slave is better than a (free) Mushrik (idolater), even though he pleases you. Those (Al-Mushrikûn) invite you to the Fire, but Allâh invites (you) to Paradise and Forgiveness by His Leave, and makes His Ayât (proofs, evidence, verses, lessons, signs, revelations, etc.) clear to mankind that they may remember.