The Inevitable 56:70. Juz 27, page 536.
لَوْ نَشَآءُ جَعَلْنَـٰهُ أُجَاجًا فَلَوْلَا تَشْكُرُونَ٧٠
If We willed We verily could make it bitter. Why then, give ye not thanks?
Al-Waqi'ah 56:70, translated by Marmaduke Pickthall