Thereafter, Allah spoke about a dispute between the Aws and the Khazraj, in which Tha'labah Ibn Ghanam and As'ad Ibn Zurarah boasted about their killings and raids on their rivals in the pre-Islamic days, saying: (O ye who believe! Observe your duty to Allah) obey Allah (with right observance) such that one obeys Him and never contravenes against Him, thank Him and never be ungrateful to him, remember Him and never forget Him; it is also said this means: obey Allah as He ought to be obeyed, (and die not save as those who have surrendered (unto Him)) sincerely acknowledging that you worship Him and declare His divine Oneness;