Al Qasas, 53 Ayah
28:53
وَإِذَا يُتۡلَىٰ عَلَيۡهِمۡ قَالُوٓاْ ءَامَنَّا بِهِۦٓ إِنَّهُ ٱلۡحَقُّ مِن رَّبِّنَآ إِنَّا كُنَّا مِن قَبۡلِهِۦ مُسۡلِمِينَ ٥٣
Wa 'Idhā Yutlá `Alayhim Qālū 'Āmannā Bihi 'Innahu Al-Ĥaqqu Min Rabbinā 'Innā Kunnā Min Qablihi Muslimīna
And when it is recited to them, they say, "We have believed in it; indeed, it is the truth from our Lord. Indeed we were, [even] before it, Muslims [submitting to Allah ]."