Many years ago, when all of our children were old enough, we went through the process of becoming certified to scuba dive. Our kids dive more than we do, and Richard is anxious to get into it again, so he signed us up to go to a gathering of divers he found on Facebook. We didn’t know anyone in this group and they already had a special bond with one another. I felt like we were outsiders. They talked about all their adventures, and diving to great depths, which made me quite anxious. They were nice and willing to share their experiences, which helped us to decide is we wanted to join them. I’m not so sure if it’s for me, but Richard liked it. Compare this to the revelation of the mystery given to Paul. The Jews, at the time had been made known of the gospel of Jesus, and word was spreading throughout that nation. The mystery that was revealed to Paul was that salvation was also available to the Gentiles, you and me, and that we are co-heirs with the believing Jews. We are no longer outsiders and have a special bond and are able to dive to great depths with them. In my comparison, I would be the unbelieving Gentile, not sure if I want to go to great depths with the Jews. It takes a lot of courage to be a follower of Christ. It’s not for the timid. The great thing is, you're not alone, there is always someone on the boat keeping a close eye on you, ready to rescue you when trouble arises.
This mystery is that the Gentiles are fellow heirs, members of the same body, and partakers of the promise in Christ Jesus through the gospel. Ephesians 3:6