Job 28:7

A path which no fowl knows and which the vulture's eye has never seen;

Job 11:6

and that he would show thee the secrets of wisdom! For thou dost deserve double according to sound wisdom; and thou dost know that God has forgotten thee because of thine iniquity.

Job 28:21-23

Seeing it is hid from the eyes of all living and kept concealed from every fowl of the heaven.

Job 38:19

Where is the way to the habitation of the light, and where is the place of the darkness?

Job 38:24

By what way is the light divided; from where is the east wind scattered upon the earth?

Romans 11:33

O the depth of the riches both of the wisdom and of the knowledge of God! How incomprehensible are his judgments and his ways past finding out!

Treasury of Scripture Knowledge

Summary

There is a path which no fowl knoweth, and which the vulture's eye hath not seen:

Bible References

A path

Job 28:21
Seeing it is hid from the eyes of all living and kept concealed from every fowl of the heaven.
Job 11:6
and that he would show thee the secrets of wisdom! For thou dost deserve double according to sound wisdom; and thou dost know that God has forgotten thee because of thine iniquity.
Job 38:19
Where is the way to the habitation of the light, and where is the place of the darkness?
Romans 11:33
O the depth of the riches both of the wisdom and of the knowledge of God! How incomprehensible are his judgments and his ways past finding out!