能ある鷹は爪を隠す
のうあるたかはつめをかくす
Also written 能有る鷹は爪を隠す, 脳ある鷹は爪を隠す
Meanings
- Expression, Godan verb a wise man keeps some of his talents in reserve; one shouldn't show off; the person who knows most often says least (literally: a skilled hawk hides its talons)