What Matthew 18 Teaches Us About Mercy
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Forgiven People Should Be Forgiving People: What Matthew 18 Teaches Us About Mercy
How many times should you forgive someone who keeps hurting you? It's one of the most honest questions anyone can ask about faith. Peter asked Jesus the same thing, and the answer Jesus gave challenges everything we naturally want to do when we've been wronged.
How Many Times Do I Have to Forgive Someone?
Peter came to Jesus with a question that made complete sense given everything Jesus had been teaching. "Lord, how often should I forgive someone who sins against me? Seven times?" (Matthew 18:21)
Peter thought he was being generous. The common teaching of the day suggested forgiving three times was sufficient. Peter doubled it and added one more for good measure. But Jesus responded with something that stopped the counting altogether.
"No, not seven times," Jesus replied, "but seventy-seven times." (Matthew 18:22)
Jesus was not giving Peter a bigger calculator. He was telling him to put the calculator away entirely. The kingdom of heaven does not keep score, even though the kingdom of earth almost always does.
What Does the Bible Say About Vengeance and Forgiveness?
There may be something deeper happening in Jesus' words than it first appears. In Genesis chapter 4, a man named Lamech boasts about vengeance: "If someone who kills Cain is punished seven times, then the one who kills me will be punished seventy-seven times." (Genesis 4:24)
Lamech represents escalating violence. You hurt me, so I hurt you worse. You embarrass me, so I destroy you. You owe me, so I make you pay. Humanity has been living like Lamech ever since.
Jesus takes that same language of escalating vengeance and flips it completely upside down. In the kingdom of earth, anger and bitterness multiply. In the kingdom of heaven, it is mercy that escalates.
The Parable of the Unforgiving Servant Explained
To make His point, Jesus tells a parable. A king decides to settle accounts with his servants. One servant is brought in who owes an impossible debt, millions of dollars by today's standards, but worth far more in that era. There was no way this man could ever pay it back, even if he worked every day for the rest of his life.
The servant falls down and begs for patience, promising to repay everything. It was not a realistic promise. But the king's response was not patience. It was something far better.
"Then his master was filled with pity for him and he released him and forgave his debt." (Matthew 18:27)
The king did not restructure the debt. He did not offer a payment plan. He canceled it entirely. The servant walked out owing nothing.
Why Do We Ask for Grace but Refuse to Give It?
This is where the parable takes a sharp turn. The servant who had just been freed from an impossible debt walked outside and immediately found a fellow servant who owed him a fraction of what he had owed the king. Rather than extending the same mercy he had just received, he grabbed the man by the throat and demanded payment.
When the king heard what happened, he was furious. "Shouldn't you have mercy on your fellow servant just as I had mercy on you?" (Matthew 18:33)
The servant wanted grace to flow toward him from above, but he despised the idea of grace flowing outward through him to others. He wanted the king to forgive his debt while he kept a record of everyone else's.
Jesus exposed something uncomfortable in this story. We judge ourselves by our intentions and we judge everyone else by their failures. We want God to deal with us gently while we demand justice from the people who have hurt us.
What Does the Cross Have to Do With Forgiveness?
Grace flows vertically from heaven to us. That is what every person in faith asks for. We ask God to open up and pour grace on us when we fall short, when we make mistakes, when we fail to be who we intended to be.
But under the principles of the kingdom of heaven, that same grace is expected to flow horizontally through us to others. Think about what you get when a vertical line and a horizontal line intersect. You get a cross.
The cross does not just change how God relates to us. It changes how we are supposed to relate to each other. Grace that only flows toward you is not Christianity. It is something else entirely.
Does Forgiving Someone Mean Pretending It Never Happened?
This is one of the most common misunderstandings about biblical forgiveness. Forgiveness does not mean pretending the offense never occurred. It does not mean calling abuse acceptable. It does not mean eliminating healthy boundaries. And it does not automatically mean reconciliation is possible, because reconciliation requires repentance and real behavioral change.
What forgiveness does mean is this: you reserve the right to lay down your vengeance. You release your claim on making them pay.
Unforgiveness does not always punish the person who hurt you. Often it destroys you. And beyond that, it chains you to them. Even if you are no longer physically near the person who hurt you, bitterness keeps you tethered to them.
What Happens When We Refuse to Forgive?
Jesus does not treat unforgiveness casually. He ends the parable with a serious warning: "That is what my heavenly Father will do to you if you refuse to forgive your brothers and sisters from your heart." (Matthew 18:35)
Notice the phrase "from your heart." It is possible to say the words of forgiveness while internally planning revenge. That is not forgiveness. That is lip service. True forgiveness is not just something spoken with the mouth while the heart is still rehearsing the offense and calculating a response.
When unforgiveness is left unchecked, it becomes more than a memory of what happened. It becomes bitterness. And bitterness becomes identity. People rehearse it, feed it, and eventually build an entire worldview around it. The original wound may have been real and the anger may have been righteous, but staying stuck in that cycle is a different thing altogether.
What Kind of Community Is Jesus Building?
Matthew 18 began with the disciples asking who was the greatest. Jesus answered by calling them to humility, to protecting the vulnerable, to pursuing the wandering, to winning back a brother rather than proving a point. And now He closes the chapter with this: forgive without keeping score.
Jesus did not give us Matthew 18 so we could win arguments or prove we were justified in our hurt. He gave it to us because He is building a kingdom community. And that community is not one where nobody gets hurt. It is one where hurt does not have the final word.
It is not a kingdom that denies wounds. It is actually a kingdom built on wounds. When Jesus rose from the dead, He did not appear as though nothing had happened. He showed His disciples the scars. The wounds confirmed who He was. And it is those same wounds that remind us how our own debt was paid.
Lamech said vengeance without limits. Jesus says mercy without limits. Earth says make them pay. Heaven says remember what I paid for you.
Life Application
This week, identify one relationship or one person toward whom you have been keeping score. It might be someone who hurt you deeply, someone who has never apologized, or someone you have said you forgave but still carry bitterness toward. Choose to take one concrete step toward releasing that debt, not for their sake first, but because you have already been forgiven of a debt you could never repay.
Ask yourself these questions honestly:
Am I judging myself by my intentions while judging others by their failures?
Is there someone I have verbally forgiven but am still holding in debt in my heart?
Has my unforgiveness toward someone become part of my identity rather than something I am actively working through?
Am I asking God for grace while withholding it from the people around me?
What would it look like for grace to flow through me this week, not just toward me?
Forgiven people should become forgiving people. The cross changes not only how God relates to us, but how we are called to relate to one another. You cannot carry the cross that freed you from your debt in one hand and someone else's throat in the other.
