If your faith is rooted in the gospel of Zion, in the good news of Jesus’s life, death, and resurrection on your behalf, you are already a member of the “heavenly Jerusalem”
A group of unassuming apostles was given a graphic illustration of how the Lord would use them to turn the world right-side-up through the upside-down logic of grace.
I write this as someone who’s genuinely concerned that American congregants are getting bamboozled by preachers who are giving them less than what they need Sunday after Sunday.
The communion service is a sermon in and of itself. The communion sermon is that which most expressly tells us of the sinless One who stands in the sinner’s stead.