30قُل أَرَأَيتُم إِن أَصبَحَ ماؤُكُم غَورًا فَمَن يَأتيكُم بِماءٍ مَعينٍM. M. GhaliSay, "Have you seen (that) in case your water becomes in the morning deep-sunken, (i.e., in the earth) then who would come up to you with (i.e., bring) profuse water?"