Job 28:21 in the King James Version
Seeing it is hid from the eyes of all living, and kept close from the fowls of the air.
Context
20 Where then does wisdom come from? Where is the place of understanding?
21 Seeing it is hidden from the eyes of all living, and kept close from the birds of the sky.
22 Destruction and Death say, ‘We have heard a rumor of it with our ears.’