Job 28:7

There is a way also that the birds know not, that no vulture's eye hath seen;

Job 11:6

that he might show thee out of his secret wisdom how manifold his law is! Then shouldest thou know that God had forgotten thee, because of thy sins.

Job 28:21-23

She is hid from the eyes of all men; yea, and from the fouls of the air.

Job 38:19

then show me where light dwelleth, and where darkness is:

Job 38:24

By what way is the light parted, and the heat dealt out upon the earth?

Romans 11:33

O the deepness of the abundant wisdom and knowledge of God: how unsearchable 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
She is hid from the eyes of all men; yea, and from the fouls of the air.
Job 11:6
that he might show thee out of his secret wisdom how manifold his law is! Then shouldest thou know that God had forgotten thee, because of thy sins.
Job 38:19
then show me where light dwelleth, and where darkness is:
Romans 11:33
O the deepness of the abundant wisdom and knowledge of God: how unsearchable are his judgments, and his ways past finding out.