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"Why, then, the law?" The question has vexed Christians through the centuries. Zack asks whether anyone was ever saved through the law. The answer to the question points us back to Jesus.

What is faith? For all of the nuances, complications, and contradictions, Gal 3:1 provides us the best answer: faith is keeping our eyes on Jesus.

Why is remembering the poor the "one thing" that Paul and the Jerusalem leaders agree on in their meeting in Gal 2? Zack examines the centrality of remembering the poor to our faith.

Gal 2:15-21 is incredibly difficult - and it is precisely such difficulty, Zack argues, that makes it life-giving to different people in different situations.

Gal 2:1-14 describes a very messy situation in the early Church. Zack examines what such messiness might teach us about our lives of faith and about the God who loves us.

Zack teaches how Gal 1:10-2:2 highlights the centrality of testimony and the importance of God's revelation.

In this first sermon on the book of Galatian, Zack focuses on the painful necessity of speaking out against false gospels -- by speaking out against a false gospel.

Zack proposes seven biblical reasons why it is critical we share our stories of God's work in our lives.

In this final sermon on the book of Jonah, Zack talks about seeing with God's eyes -- how everyone is the object of God's mercy, how deep sin runs, how all Creation will be set free from bondage.

In Jonah 4, Jonah prays a very dark prayer to God. Is this OK? Zack surveys Scripture and concludes that God can and wants to handle our darkest cries.

At the end of Jonah chapter 3, God changes His mind. But does He really? Zack discusses the debate between the "classical view" and the open theist view and proposes a third alternative.

Does repentance require emotion? Zack reflects on this question and discusses how critical it is that we pursue a relationship with a Personal God.

Jonah's entire rhetorically-savvy, apologetically-rich sermon that causes the repentance of 120,000 Ninevites is "Forty days more, and Nineveh shall be overthrown!" How was this possible effective? Zack discusses Spirit-inspired speaking and Spirit-inspired listening.

Is Jonah a factual historical account or an edifying parable? Zack discusses what is at stake with different answers to this question.

Jonah prays a profound prayer from the belly of the fish: Zack reflects on his deep knowledge of the Psalms and the importance of testifying to our saving God's many acts of salvation.