قُلْ أَرَءَيْتُمْ إِنْ أَصْبَحَ مَآؤُكُمْ غَوْرًا فَمَن يَأْتِيكُم بِمَآءٍ مَّعِينٍۭ ٣٠
Qul ara'aytum in asbaha maa'ukum ghawran famay ya'teekum bimaa'im ma`een
Say, "Have you considered: if your water was to become sunken [into the earth], then who could bring you flowing water?"