習わぬ経は読めぬ ならわぬきょうはよめぬ Meanings Expression you can't do something if you don't know how to do it (literally: you can't read a sutra (by heart) if you haven't learned it) Kanji 習 learn. Read as ならう. 経 pass. Read as キョウ. 読 read. Read as よむ. Word lists Proverbs Jinuma: Japanese Dictionary · Word lists