BAHYA, IBN PAQUDA, a Jewish ethical writer (i ith cen tury) of Saragossa. In 1040 he wrote, in Arabic, a treatise, Duties of the Heart, which was one of the most significant and influential Jewish works of the middle ages. The law, in the rabbinical sense, was reverenced by Bahya, who made it part and parcel of the Jew's inner life. Some selections from Bahya's work have been rendered into English by E. Collins.