智者雅罗斯拉夫说：“智慧源于经历，勇气来自内心。”再深点灬舒服灬受不了了

　　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.