Paul is inviting the readers to engage with his writings to grasp the profound mystery of Christ. This mystery is not about secrecy but about a divine truth that was once hidden and is now revealed through the Gospel. It encompasses God's plan of salvation that extends beyond the Jewish people to include Gentiles, uniting all believers into one body through Christ. This unity is a central theme in Paul's letters, emphasizing that through Christ, barriers are broken down and all are welcomed into God's family.
By encouraging believers to read and understand, Paul is highlighting the importance of scripture in gaining spiritual insight. This understanding is not just intellectual but transformative, enabling believers to live out the reality of Christ's love and grace in their lives. It is an invitation to explore the depths of God's wisdom and to be part of His redemptive plan for the world. Engaging with scripture helps believers to grow in faith, wisdom, and love, aligning their lives with God's purposes.