18:109
قُلۡ لَّوۡ كَانَ الۡبَحۡرُ مِدَادًا لِّكَلِمٰتِ رَبِّيۡ لَنَفِدَ الۡبَحۡرُ قَبۡلَ اَنۡ تَنۡفَدَ كَلِمٰتُ رَبِّيۡ وَلَوۡ جِئۡنَا بِمِثۡلِهٖ مَدَدًا
Say, "If the sea were ink for [writing] the words of my Lord, the sea would be exhausted before the words of my Lord were exhausted, even if We brought the like of it as a supplement