Surah Ali'Imran, Verse 61

فَمَنۡ حَآجَّكَ فِيهِ مِنۢ بَعۡدِ مَا جَآءَكَ مِنَ ٱلۡعِلۡمِ فَقُلۡ تَعَالَوۡاْ نَدۡعُ أَبۡنَآءَنَا وَأَبۡنَآءَكُمۡ وَنِسَآءَنَا وَنِسَآءَكُمۡ وَأَنفُسَنَا وَأَنفُسَكُمۡ ثُمَّ نَبۡتَهِلۡ فَنَجۡعَل لَّعۡنَتَ ٱللَّهِ عَلَى ٱلۡكَٰذِبِينَ٦١

faman ḥājjaka fīhi min baʿdi mā jāaka mina l-ʿil'mi faqul taʿālaw nadʿu abnāanā wa-abnāakum wanisāanā wanisāakum wa-anfusanā wa-anfusakum thumma nabtahil fanajʿal laʿnata l-lahi ʿalā l-kādhibīna

Then whoever argues with you about it after [this] knowledge has come to you - say, "Come, let us call our sons and your sons, our women and your women, ourselves and yourselves, then supplicate earnestly [together] and invoke the curse of Allāh upon the liars [among us]."