56:70
لَوْ نَشَآءُ جَعَلْنَـٰهُ أُجَاجًا فَلَوْلَا تَشْكُرُونَ
law nashāu jaʿalnāhu ujājan falawlā tashkurūna
If We wanted, We could make it bitter: will you not be thankful?
If We willed, We verily could make it salt (and undrinkable): why then do you not give thanks (to Allâh)?