While things didn't look too good in the relationship between Tokugawa and Toyotomi, he is said to have lamented by saying to his pet monkey, 'Would you like to learn the teachings of Confucius, too?' when he saw the monkey scribbling in his Rongo book in red imitating him during a boat trip from Osaka.
徳川と豊臣の雲行きが怪しいなか、大坂からの船旅の中、清正の飼っていた猿が真似をして彼の論語の本に朱筆で落書きをしたのを見て「お前も聖人の教えが知りたいか」と嘆じたという。