Islamic civilization knew the phenomenon of religious anxiety or what was called “atheism” whose concept took a broad meaning throughout the ages, so that every departure from the correct intent of religion from the smallest of sins was a behavior until the involvement of God in belief, so “the origin of the atheist is inclined to the truth, and atheism is a departure from The intention …, [and then] this formulation in the custom became used outside of religion. According to the expression of Imam Ibn Hajar (d. 852 AH) in Fath al-Bari…more: aljazeera (Google Translation)