of their position, and it was not long before Saadiah came into conflict with the Exilarch. The struggle ended in the Gaon’s exile from Sura. During his years of banishment, he produced his greatest works. He arranged a prayer-book, wrote Talmudical essays, compiled rules for the calendar, examined the Massoretic works of various authors, and, indeed, produced a vast array of books, all of them influential and meritorious. But his most memorable writings were his “Commentary on the Book of Creation” (Sefer Yetsirah) and his masterpiece, “Faith and Philosophy” (Emunoth ve-Deoth).
This treatise, finished in the year 934, was the first systematic attempt to bring revealed religion into harmony with Greek philosophy. Saadiah was thus the forerunner, not only of Maimonides, but also of the Christian school-men. No Jew, said Saadiah, should discard the Bible, and form his opinions solely by his own reason-
