Elsewhere this has been set out at length, and for that very reason this—worshipping Allah alone—is the religion of Islam upon which all the messengers were united. Allah, exalted be He, says:

“Indeed, We sent a messenger to every community, commanding, ‘Worship Allah and shun every false god.’” (an-Nahl 16:36),

and He says:

“We sent no messenger before you without revealing to him, ‘There is no deity but Me, so worship Me.’” (al-Anbiyāʾ 21:25),

and He says:

“Whoever seeks a religion other than Islam, it will never be accepted from him.” (Āl ʿImrān 3:85),

and He, exalted, also says:

“Ask those of Our messengers whom We sent before you: Did We ever appoint any gods, besides the All-Merciful, to be worshipped?” (az-Zukhruf 43:45),

and He, sublime and exalted, says: