Seeing it is hid from the eyes of all living, and kept close from the (m) fowls of the air.
(m) Meaning that there is no natural means by which man can attain heavenly wisdom: which he means by the souls, that fly high.
Related Commentaries of Job 28:21
Job 28:21
21 Seeing it is hid from the eyes of all living, and kept close from the fowls of the air.h