While he was highly regarded as a doctor, he himself was said to be suffering from a strong inferiority complex for becoming a doctor without receiving a standard Western medical science education at an advanced organization.
医師として高い評価を受ける一方で、先進的な機関で西洋医学を本格的に学べないまま医者となったことに強い劣等感を抱いていたとも伝わっている。