Al-Muumin 40:35 الذين يجادلون في ايات الله بغير سلطان اتاهم كبر مقتا عند الله وعند الذين امنوا كذالك يطبع الله على كل قلب متكبر جبار ٣٥

يقَوْمِ إِنِّى أَخَافُ عَلَيْكُمْ مِّثْلَ يَوْمِ الاٌّحْزَابِ

(O my people! Verily, I fear for you an end like that day (of disaster) of the groups (of old)!) meaning, those of the earlier nations who disbelieved the Messengers of Allah, such as the people of Nuh, `Ad, Thamud and the disbelieving nat