Certainty of Death and the Appointed Term (Ajal)

وَلِكُلِّ أُمَّةٍ أَجَلٌ ۖ فَإِذَا جَآءَ أَجَلُهُمْ لَا يَسْتَأْخِرُونَ سَاعَةً ۖ وَلَا يَسْتَقْدِمُونَ

And for every nation is a [specified] term. So when their time has come, they will not remain behind an hour, nor will they precede [it].