Abba Mari ben Moses ben Joseph, was a Provençal rabbi, born at Lunel, near Montpellier, towards the end of the 13th century. He is also known as Yarhi from his birthplace (Hebrew Yerah, i.e. moon, lune), and he further took the name Astruc, Don Astruc or En Astruc of Lunel from the word "astruc" meaning lucky.
The descendant of men learned in rabbinic lore, Abba Mari devoted himself to the study of theology and philosophy, and made himself acquainted with the writings of Moses Maimonides and Nachmanides as well as with the Talmud.
In Montpellier, where he lived from 1303 to 1306, he was much distressed by the prevalence of Aristotelian rationalism, which (in his opinion) through the medium of the works of Maimonides, threatened the authority of the Old Testament, obedience to the law, and the belief in miracles and revelation. He therefore, in a series of letters (afterwards collected under the title Minhat Kenaot, i.e., "Offering of Zealotry") called upon the famou