Because Choei tended to be swellheaded for his brilliance, he was not popular with his peers, but they recognized him as the best Dutch scholar at that time.
長英自身才能を鼻にかけて増長する傾向があり、仲間内の評判も悪かったが、当時最高の実力の蘭学者として周囲は認めざるを得なかった。