﴿وَأَنْذِرْهُمْ يَوْمَ الْحَسْرَةِ إِذْ قُضِيَ الْأَمْرُ وَهُمْ فِي غَفْلَةٍ وَهُمْ لَا يُؤْمِنُونَ﴾
39. And warn them (O Muhammad ﷺ) of the Day of grief and regrets, when the case has been decided, while (now) they are in a state of carelessness, and they believe not[1].