《智慧之光：雅罗斯拉夫的思考与启示》家教老师承睿满分就能一整天

　　In the XIth century Kievan Rus' reached its zenith under the reign of Yaroslav. He established enduring ties with many of the ruling European dynasties, strengthened the borders of Rus' and tried to free it from the influence of the Byzantine Empire. Since 988 the church of Rus' had been autonomous, apart from the right of Constantinople to appoint the Metropolitan.