What was the other purpose of the grace given to Paul?
Paul was also given grace to make all see the fellowship of the mystery—the secret not made known in other ages but now revealed. This mystery is the body of truth concerning the church, which God had not revealed before but now made known through the Holy Spirit to His holy apostles and prophets.
Les explains that the grace given to Paul had a twofold purpose. First, Paul was to preach among the Gentiles the unsearchable riches of Christ. The other purpose was to make all see the fellowship of the mystery, or the secret. Les points out that this mystery was not made known in other ages or generations to the sons of men as it is now. It was not revealed before, but now it is revealed unto His holy apostles and prophets by the Holy Spirit. This secret is the body of truth involving the church, which was not found in the four gospels because God had not seen fit to reveal it. Now Paul makes it clear so that even those who are not theologians or language experts can understand it.
And to make all men see what is the fellowship of the mystery, which from the beginning of the world hath been hid in God, who created all things by Jesus Christ: