The Book of Faith (Kitab Al-Iman)

Muslim :: Book 1 : Hadith 250

Anas b. Malik transmitted it from the Messenger of Allah (may peace be upon him) that the Great and Glorious Allah said: Verily your people would constantly question about this and that till they would say: Well, it is Allah Who created the creation, but who created Allah?

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star