Several times in his letters, Paul will give a personal reflection or testimony (as he does in Ephesians 3:1-13). There are several aims for why Paul would use a personal testimony.
First, it bridges the gap between Paul and his readers. In effect, Paul not only invites the readers to participate in his story but his story also serves as an exemplar of how God’s story frames our individual stories. Simply, God did this in my life; he can also do it in yours.
Second, by showing that God is actively involved in his life, it become more real. This is not just theory (though, in the Ephesians reading there is plenty of that). What God has done is actualized in the life of a real person such a Paul.
Finally, Paul will use testimony to give context to what might be an embarrassment in Paul’s story (see Eph 3:13). Paul is in prison; he is suffering. This does not square well with resurrection power that Paul had so confidently announced earlier (see Eph 1:19-20; 2:4-6).
When the chips are down is where the “theory,” or more accurately the “theology” part comes in. God has already acted; what that means is not yet fully clear. In this text, Paul believes that what God put into motion in the past was becoming a reality in Paul’s ministry.
Those formerly excluded from God’s people are now invited in. The big story in Paul’s testimony is that God was using him to announce that non-Jews (Gentiles) are now co-heirs, members of the same body, and sharers in God’s promise (Eph. 3:6).
Paul has a testimony because his ministry is to announce this move of God. Paul understands that through him God is setting something big in motion—the implication of which were not yet visible.
This “not yet” part of God’s plan is bigger than we usually think or teach. It involves not just history (see “ages” in Eph 3:9) but future ages (see Eph 2:7). What God is up to is cosmic, universal and eternal—not just personal and individual.
Yet, God has called the church, the people of God, to be the instrument through whom God will announce his wisdom (Eph 3:10). This not merely evangelism, either, since the ones hearing the announcement from the church are “the rulers and authorities in the heavenly places,” or angelic and demonic forces at work in our world. This is where our story ties with Paul.
We are that church and we have, as the text says, access to God. Thus we can walk in boldness and confidence through faith in him even when the circumstances around us suggest otherwise.
When we do this, we too have a testimony.
Can I have a witness?