Original Verse:
1st Corinthians Chapter 2 Verse 11For who among men knoweth the things of a man, save the spirit of the man, which is in him? even so the things of God none knoweth, save the Spirit of God.

Reference Verses:
Job Chapter 15 Verse 8Hast thou heard the secret counsel of God? And dost thou limit wisdom to thyself?
Proverbs Chapter 20 Verse 27The spirit of man is the lamp of Jehovah, Searching all his innermost parts.
Romans Chapter 11 Verse 33O the depth of the riches both of the wisdom and the knowledge of God! how unsearchable are his judgments, and his ways past tracing out!