Romans 11:33
O the depth of the riches both of the wisdom and knowledge of God! how inscrutable are his judgments, and his ways can not be explored!
Matthew 11:27
All things are given me by my Father; and no one knows the Son but the Father; and no one knows the Father but the Son, and he to whom the Son will reveal him.
1 Corinthians 2:10
but God has revealed them to us by his Spirit. For the Spirit searches all things, even the depths of God.
1 Corinthians 2:16
For who has known the mind of the Lord, who shall instruct him? But we have the mind of Christ.
Ephesians 3:8
To me, who am the least of all saints, was this grace given, to preach to the nations the unsearchable riches of Christ,