ひつようはつめいはは 必要は発明の母 LinksSentence search for 必要は発明の母Sentence search for ひつようははつめいのははKanji details for 必, 要, 発, 明 and 母Edit in JMdict Expressions (phrases, clauses, etc.)1. necessity is the mother of inventionProverb Discussions Log in to talk about this word.