Cross reference
Job 28:14
14 The deep waters say, It is not in me: and the sea says, It is not with me.
Romans 11:33-34
33 O how deep is the wealth of the wisdom and knowledge of God! no one is able to make discovery of his decisions, and his ways may not be searched out.
34 Who has knowledge of the mind of the Lord? or who has taken part in his purposes?