In 948 he was given vows to follow the precepts by Ensho, the temple's head priest in Mt. Hiei-zan, but there is an opinion that he had a stronger relationship with Nara Buddhist society, particularly with the Sanron sect, as opposed to the Tendai sect.
948年には比叡山で座主延昌のもとに受戒したが、天台宗よりもむしろ奈良仏教界、特に三論宗との関わりが強いという説もある。