11 For who of men knows what pertains to a man except the spirit of the man which is in him. Just so no one knows what pertains to God except the Spirit of God.
1 Corinthians 2:11 Cross References - Riverside
Romans 11:33-34
1 Corinthians 2:10
10 To us God has revealed this by his Spirit. For the Spirit searches all things, even the depths of God.