He that knows little often repeats it.
Baka no hitotsuoboe.
fool; idiot; trivial matter; folly; absurdity; foolish; stupid; dull; absurd; ridiculous; Mactra chinensis (species of trough shell)
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
the one thing that is well-remembered