Quran 26:68 — The Poets (Al-Shu`ara')

وَإِنَّ رَبَّكَ لَهُوَ العَزيزُ الرَّحيمُ

Most assuredly, your Lord is the Almighty, Most Merciful.

[26:67] This should be a sufficient proof, but most people are not believers.

[26:69] Narrate to them Abraham's history.