Quran 7:64 — The Purgatory (Al-A'araf)

They rejected him. Consequently, we saved him and those with him in the ark, and we drowned those who rejected our revelations; they were blind.

[7:63] "Is it too much of a wonder that a reminder should come to you from your Lord, through a man like you, to warn you, and to lead you to righteousness, that you may attain mercy?"

[7:65] To 'Ãd we sent their brother Hûd. He said, "O my people, worship GOD; you have no other god beside Him. Would you then observe righteousness?"