After he broke his promise to Jesus, Peter wept bitterly. Peter was an absolutely broken man in the profoundest possible way, and yet within weeks he was poised as the leader of a new movement, about to become one of the most influential leaders in the history of the world. What broke Peter like this, and then what restored him so quickly? The answer is the same: promises. Promises are the reason he was broken, and promises are the reason he was restored. And the case of Peter tells us more about the power of commitments than, I think, any other incident in the Scripture. Let’s look at what Peter learned: 1) how promises make us, and 2) how we can make promises. This sermon was preached by Dr. Timothy Keller at Redeemer Presbyterian Church on February 12, 1995. Series: The Seven Deadly Sins. Scripture: Matthew 26:69-75. Today's podcast is brought to you by Gospel in Life, the site for all sermons, books, study guides and resources from Timothy Keller and Redeemer Presbyterian Church. If you've enjoyed listening to this podcast and would like to support the ongoing efforts of this ministry, you can do so by visiting https://gospelinlife.com/give and making a one-time or recurring donation.