31أَلَم يَرَوا كَم أَهلَكنا قَبلَهُم مِنَ القُرونِ أَنَّهُم إِلَيهِم لا يَرجِعونَ(Irfan-ul-Quran)Have they not seen how many communities We destroyed before them, and that now they will not return to them,