19:39
وَأَنذِرْهُمْ يَوْمَ ٱلْحَسْرَةِ إِذْ قُضِىَ ٱلْأَمْرُ وَهُمْ فِى غَفْلَةٍ وَهُمْ لَا يُؤْمِنُونَ٣٩
And warn them, [O Muḥammad], of the Day of Regret, when the matter will be concluded;1 and [yet], they are in [a state of] heedlessness, and they do not believe.
— Saheeh International