馬鹿につける薬はない ばかにつけるくすりはない Also written バカにつける薬はない Meanings Expression, い-adjective a born fool is never cured; there is no cure for stupidity (literally: there is no medicine for fools) Kanji 馬 horse. Read as バ. 鹿 deer 薬 drug. Read as くすり. Word lists Proverbs Jinuma: Japanese Dictionary · Word lists