Matthew 18:21-35: Jesus and the Difficult Truth about Forgiveness

Sunday message · The Book of Matthew series

Phillip Santillan  ·  Matthew 18:21-35

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Message Summary

On Mother’s Day, Pastor Phillip Santillan continues through Matthew with Matthew 18:21–35 and one of the hardest things Jesus asks of anyone. The first half of the chapter taught believers to confront sin directly, privately and humbly, aiming for restoration. Peter sees the implication: a willingness to confront sin requires a willingness to forgive. So he asks how many times he must forgive: seven?

Phil asks listeners whether they have a name: the person they have not forgotten, or say they have forgiven while something still runs underneath. Forgiveness sounds beautiful until that name comes to mind. Jesus answers seventy times seven. He is not raising the number, Phil says, but destroying the idea that mercy has one. Peter wanted a number; Jesus gave a principle, because anyone still counting is not forgiving.

Jesus tells of a king settling accounts with a servant who owes ten thousand talents, the largest numeral paired with the largest unit of money, an impossible debt. Forgiveness does not begin by pretending there is no debt; the books are opened. The servant begs for time to repay everything, still thinking he can bargain, as many people do with God. But the gospel is not that God gives us more time. It is that he cancels a debt we could never repay. The servant asked for patience; the king gave freedom.

That servant then chokes a fellow servant who owes him a hundred denarii, a few months’ wages. That debt was real, and Jesus does not minimize real wounds. But the servant rejects the very plea that moved the king, because he has forgotten his own canceled debt. Biblical forgiveness does not pretend a debt was never real; it refuses to let others’ debts make us merciless. We withhold forgiveness because of what someone did, but God’s mercy to us came in spite of our sin, and he asks us to forgive in spite of theirs.

The king hands the unmerciful servant to the jailers, and Jesus warns that the Father will do the same to those who do not forgive from the heart. Citing D.A. Carson, Phil explains that a God so merciful cannot accept as his own those devoid of mercy. We do not earn forgiveness by forgiving; we forgive because being forgiven changes us. The warning targets not those still struggling to forgive but a settled refusal that wants grace for oneself and judgment for others. Forgiving does not require immediate trust, reconciliation without repentance, or pretending to be healed.

Phil closes by asking whose debt we keep replaying. We will never find the motivation to forgive by focusing on the person who hurt us, only on the one who forgave us. We are the first servant, and at the cross the King canceled our debt at enormous cost to himself. “The mercy that saved you should become the mercy that shapes you,” Phil says. He invites listeners to take time for confession and bring the wound, the name and the debt to the King, who supplies what he asks for: himself.