He had a fine intellect and a noble disposition; he had received an excellent education at the hands of Simeon Polotsky, the most learned Slavonic monk of the day.
Dia diberkahi dengan kecerdasan yang baik dan disposisi mulia, ia telah menerima pendidikan yang sangat baik di tangan Simeon Polotsky, seorang rohaniwan Slavia yang paling terpelajar.