能ある鷹は爪を隠す
1
a wise man keeps some of his talents in reserve;one shouldn't show off;the person who knows most often says least;a skilled hawk hides its talons
Other forms
能有る鷹は爪を隠す 【のうあるたかはつめをかくす】 · 脳ある鷹は爪を隠す 【のうあるたかはつめをかくす】 (word containing irregular kanji usage)