Quran 41:13 — Detailed (Fussilat)

If they turn away, then say, "I am warning you of a disaster like the disaster that annihilated 'Ãd and Thamoud."

[41:12] Thus, He* completed the seven universes in two days, and set up the laws for every universe. And we adorned the lowest universe with lamps, and placed guards around it. Such is the design of the Almighty, the Omniscient.

[41:14] Their messengers went to them, as well as before them and after them, saying, "You shall not worship except GOD." They said, "Had our Lord willed, He could have sent angels. We are disbelievers in what you say."