This is an excerpt from Chapter 6 in Sinner Saint: A Surprising Primer to the Christian Life (1517 Publishing, 2025). Sinner Saint is available today from 1517 Publishing.
On its journey from Byzantium to Constantinople to Istanbul, this special place helps us understand the broader arc of Christian history, which goes on until Christ's return.
We needn’t fear statistics and studies as palm readings into a certain future. God is God, and his Spirit is alive through his Word.

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The following is an excerpt from Law and Gospel in Action written by Mark Mattes (1517 Publishing, 2019).
Like the Pharisees, as well-meaning, contemporary Christians we too can often add fences to God’s Law.
Pergamum! Oh, Pergamum! Behold the glory of Pergamum! It was not at this time the greatest provincial power, nor was it the most favored in the Roman Empire.
And so, when you preach the Law, you are also instructing the conscience and thereby forming it. For some of your hearers, this will result in activating their consciences, making them more sensitive, so they become more aware of their sin and more urgently seek the Gospel. For others, it is a re-instruction.
In our democratic society we love to talk about freedom. But anybody out there ever tried to be perfect? Ah, shucks. Turns out we’re not as free as we thought.
The preached word ensured the work of the Holy Spirit, so long as it was the written word of the Gospel. Gospel preaching was the one domain in which we could be assured of the convicting, saving, and sanctifying work of the Holy Spirit.
With a new year comes many new things. In the corporate world, we again introduced to our yearly performance review.
Both these words, Law and Gospel, are from God. The sinner needs both of them. Both are true and good.
Separating the Law from the conscience is not just bad because it makes the Law ineffective. If the Law and the conscience are not brought together, it also means leaving the conscience unaddressed and unassuaged when the Gospel is preached.
The other day on Twitter, I saw someone insult their theological opponent with the term "free-gracer."
Many say Balaam was a prophet, but this was not so. Balaam was no prophet. At least, not a prophet of Yahweh.
Jesus has a mighty weapon which is the weapon of His warfare, the sword of His mouth, the very Word of God.