Romans 11:33
O the depth of the riches both of the wisdom and knowledge of God! how unsearchable are his judgements, and his ways not to be traced out!
Matthew 11:27
All things are delivered to me by my Father: and no one knoweth the Son, but the Father; nor does any one know the Father, but the Son, and he to whom the Son is pleased to reveal Him.
1 Corinthians 2:10
But God hath revealed them to us by his Spirit: for the Spirit searcheth all things, even the deep things of God.
1 Corinthians 2:16
For who hath known the mind of the Lord, to instruct him? But we have the mind of Christ.
Ephesians 3:8
On me, who am less than the least of all saints, was this grace bestowed, that I should preach among the Gentiles the unsearchable riches of Christ,