Does Paul's teaching in Ephesians 3 concerning "mystery" conflict with the Reformed confessions' view of the unity of the covenant of grace? The purpose of the author is to survey the meaning of the word "musterion" in secular and Jewish literature, including the Dead Sea Scrolls, and the writings of the Apostle Paul.
"Mystery" in this article refers to the creature's inability to comprehend either the being or the actions of the Creator. Does it mean we cannot know God at all? Let the article explain.
God refers to the church as a mystery. What is this mystery? The mystery is that from the beginning God intended to gather His church from all nations and tribes. He wanted His church to be international (a universal church), and not limited to the tribe of Israel. This mystery was made clear in Christ and forms the heart of mission work.