What makes Ephesians a deeper realm of teaching compared to Romans and 1 Corinthians?
Ephesians takes teaching about the Body of Christ into a deeper realm. It contains truths not found in Romans and 1 Corinthians. In Ephesians 1, Paul prays that believers receive the Spirit of wisdom and revelation and enlightened understanding of the hope of His calling and the riches of His inheritance in the saints.
Les teaches that Ephesians takes us into a deeper realm of our teaching concerning the Body of Christ, saying you will find truths in Ephesians that you won't even find in Romans and 1 Corinthians and so forth. In Ephesians chapter 1, he notes Paul is praying on behalf of the Ephesian believers, asking the God of our Lord Jesus Christ, the Father of glory, to give them the Spirit of wisdom and revelation in the knowledge of Him. Les emphasizes these are prayer requests, that the eyes of their understanding be enlightened, so they may know the hope of His calling and the riches of the glory of His inheritance in the saints. He calls this hard to comprehend, past human understanding.