He learned the Three Shastras (Three Treatises) and the Hosso (Dharma Characteristics school) from Gonso of Iwabuchi-dera Temple in Yamato Province among others, and had thorough knowledge of Shingon Esoteric Buddhism.
大和国石淵寺の勤操（ごんそう）らに三論・法相を学び、真言密教にも通じた。