The authors included in this volume, Ilarion, Klim Smoljatic, and Kirill of Turov, are remarkable for both their personal and literary achievements. Appointed in 1051 by Prince Jaroslav the Wise, Ilarion was the first of only two recorded native metropolitans of Kiev. His Sermon on Law and Grace constitutes the finest piece of eleventh-century Rus' rhetorical literature. Klim Smoljatic, the second native metropolitan of Rus' (from 1147), is the author of the controversial Epistle to Foma, which addresses the debate over the proper nature and limits of Christian learning. Finally, the...