In the 34th essay collected in "Fukuo Hyakuwa" (One Hundred Discourses of Fukuzawa), which was entitled 'Hanshin-Hangi wa Fuka nari' (A half-baked notion is unacceptable), Yukichi FUKUZAWA explained Datsua-shiso thought as follows.
福澤諭吉は『福翁百話』の第34話「半信半疑は不可なり」において、次のように脱亜思想を説明している。