Ephesians 3:8
To me, who am less than the least of all saints, is this grace given, that I should preach among the Gentiles the unsearchable riches of Christ;
Torrey's Topical Textbook—AKJV

1 Corinthians 1:30
But of him are you in Christ Jesus, who of God is made to us wisdom, and righteousness, and sanctification, and redemption:
Torrey's Topical Textbook—AKJV

Colossians 2:3
In whom are hid all the treasures of wisdom and knowledge.
Torrey's Topical Textbook—AKJV

1 Peter 2:7
To you therefore which believe he is precious: but to them which be disobedient, the stone which the builders disallowed, the same is made the head of the corner,
Torrey's Topical Textbook—AKJV