أَلَمْ يَرَوْا كَمْ أَهْلَكْنَا قَبْلَهُم مِّنَ الْقُرُونِ أَنَّهُمْ إِلَيْهِمْ لَا يَرْجِعُونَ (31)
(36:31) Have they not seen how many nations before them did We destroy? Thereafter they never came back to them. *25
*25) That is, they were annihilated so completely that not a trace of them was left behind them. No one in the world even remembers them today. Their civilization as well as their race has become extinct.