Pastor Tullian continued his sermon series through the Book of Acts on January 25. The purpose of this series is to trace God’s flawless work of global grace expansion through flawed people. Although all of us are bad, our ministries become effective when we acknowledge our badness and live out of our brokenness. Throughout Acts we see God’s grace flooding out to the world through guilty people. Tullian recounts the sending of the Holy Spirit from the second chapter of Acts and the sermon that the Apostle Peter preached to all the people who had gathered.

Tullian asked this question: “Is it possible that one of the reasons God has allowed you to make big mistakes is so that your understanding of grace is deeper than it would be if you hadn’t have blown it?” The best deliverers of grace are the ones who know just how desperate they are for it. So Peter is a perfect candidate to preach this sermon—on that historic day—because of how Peter had failed and how he had been forgiven. People who make the biggest mistakes often have the most to offer others because they have received the most grace, just like Peter.

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