馬鹿は死ななきゃ治らない ばかはしななきゃなおらない Also written バカは死ななきゃ治らない Meanings Expression, い-adjective once a fool, always a fool (literally: idiots will only be cured when they die) Kanji 馬 horse. Read as バ. 鹿 deer 死 die. Read as しぬ. 治 govern. Read as なおる. Word lists Proverbs Jinuma: Japanese Dictionary · Word lists