Surah Al-Mujadilah
ٱلَّذِينَ يُظَـٰهِرُونَ مِنكُم مِّن نِّسَآئِهِم مَّا هُنَّ أُمَّهَـٰتِهِمْ ۖ إِنْ أُمَّهَـٰتُهُمْ إِلَّا ٱلَّـٰٓـِٔى وَلَدْنَهُمْ ۚ وَإِنَّهُمْ لَيَقُولُونَ مُنكَرًا مِّنَ ٱلْقَوْلِ وَزُورًا ۚ وَإِنَّ ٱللَّهَ لَعَفُوٌّ غَفُورٌ
Allażīna yuẓāhirūna minkum min nisā'ihim mā hunna ummahātihim, in ummahātuhum illal-lā'ī waladnahum, wa innahum layaqūlūna munkaram minal-qauli wa zūrā(n), wa innallāha la‘afuwwun gafūr(un).
Those who pronounce thihar among you [to separate] from their wives - they are not [consequently] their mothers. Their mothers are none but those who gave birth to them. And indeed, they are saying an objectionable statement and a falsehood. But indeed, Allah is Pardoning and Forgiving.