His outstanding intellect was highly praised in "Imakagami" (a collection of historical stories); on the other hand, he is said to have brought disaster by studying astronomy even though he was not from the family of Onmyodo, the way of Yin and Yang.
『今鏡』でもその才能を絶賛する一方で、陰陽道の家の出でもないのに天文学に通じたがために災いを受けたのだと評されている。