As can be seen from his photo of a later year dressed in western clothing, it is said that Toshizo was a rationalist and had the flexibility to accept useful things; for example, he owned a western pocket watch, etc.
後の洋装の写真などから、歳三は合理主義者で便利なものは便利と受け取る柔軟さをもっており、舶来の懐中時計なども持っていたという。