玉磨かざれば光なし

たまみがかざればひかりなしtamamigakazarebahikarinashi

expression

  1. success does not come from talent alone
  2. an uncut gem does not sparkle

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences