Holy Quran » AL QASHASH : 53

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 ]."

{ وإذا يتلى عليهم } القرآن { قالوا آمنا به إنه الحق من ربنا إنا كنا من قبله مسلمين } موحدين.