Comparative religion Abrahamic religions consists of the three monotheistic religions, Christianity, Islam and Judaism, which claim Abraham (Hebrew "Avraham" אַבְרָהָם; Arabic "Ibrahim" إبراهيم ) as a part of their sacred history. Smaller religions such as Bahá'í Faith that fit this description are sometimes included but are often omitted. The original belief in the One God of Abraham eventually became strictly monotheistic present-day Rabbinic Judaism. Christians believe that Christianity is the fulfillment and continuation of the Jewish Old Testament. Christians believe that Jesus (Hebrew "Yeshua" יֵשׁוּעַ) is the Messiah (Christ) foretold in the Old Testament prophecy, and believe in subsequent New Testament revelations
Islam and other religions Arab conquest of the Buddhist center of Balkh, a Quranic commentator was denounced for anthropomorphism, a standard attack on those sympathetic to Buddhism. Hiwi al-Balkhi had attacked the authority of Quran ad revealed religions, reciting the claims of Zoroastrianism, Christianity and Judaism. In the early 11th century, the Islamic scholar Abū Rayhān Bīrūnī wrote detailed comparative studies on the anthropology of religions across the Middle East, Mediterranean and especially the Indian subcontinent. Biruni's anthropology of religion was only possible for a scholar deeply immersed in the lore of other nations. He carried out extensive, personal investigations of the peoples, customs,