9. Has not the news reached you, of those before you, the people of Nûh (Noah), and ‘Âd, and Thamûd? And those after them? None knows them but Allâh. To them came their Messengers with clear proofs, but they put their hands in their mouths (biting them from anger) and said: "Verily, we disbelieve in that with which you have been sent, and we are really in grave doubt as to that to which you invite us (i.e. Islâmic Monotheism). "