Quran 21:39 — The Prophets (Al-Anbya')

If only those who disbelieve could envision themselves when they try to ward off the fire; off their faces and their backs! No one will help them then.

[21:38] They challenge: "Where is that (retribution), if you are truthful?"

[21:40] Indeed, it will come to them suddenly, and they will be utterly stunned. They can neither avoid it, nor can they receive any respite.