Surah Al-Jinn, ayah 16

وَأَلَّوِ ٱسۡتَقَٰمُواْ عَلَى ٱلطَّرِيقَةِ لَأَسۡقَيۡنَٰهُم مَّآءً غَدَقٗا ١٦

Wa allawistaqāmū 'alat-tarīqati la asqaynāhum mā'an ghadaqā

And [Allāh revealed] that if they had remained straight on the way, We would have given them abundant rain [i.e., provision]