Al-Jinn - 16

﴿وَأَنْ لَوِ اسْتَقَامُوا عَلَى الطَّرِيقَةِ لَأَسْقَيْنَاهُمْ مَاءً غَدَقًا﴾

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16. If they (non-Muslims) had believed in Allâh, and went on the Right Way (i.e. Islâm) We would surely have bestowed on them water (rain) in abundance.