67:30
قُلْ أَرَءَيْتُمْ إِنْ أَصْبَحَ مَآؤُكُمْ غَوْرًۭا فَمَن يَأْتِيكُم بِمَآءٍۢ مَّعِينٍۭ
Qul ara'aytum in asbaha maaa'ukum ghawran famai yaateekum bimaaa'im ma'een
Say: "See ye?- If your stream be some morning lost (in the underground earth), who then can supply you with clear-flowing water?"
