56:70
Al-Waqi'ah 70
Surah Al-Waqi'ah (الواقعة), verse 70 — reference 56:70. Arabic text with optional translation and free audio on Al-Qalam.
لَوْ نَشَآءُ جَعَلْنَـٰهُ أُجَاجًا فَلَوْلَا تَشْكُرُونَ
law nashāu jaʿalnāhu ujājan falawlā tashkurūna
If We willed, We could make it bitter, so why are you not grateful?