The moral of the parable is plainly expressed in verse 35. "So likewise shall my heavenly Father do also unto you, if ye from your hearts forgive not every one his brother their trespasses" (Matthew 18:35). The forgiveness by God of which children of God are recipients must be demonstrated by them toward their fellows.
The immensity of the debt does not hinder God's full and free pardon (Isa. 1:18; 55:7). God will save the chief of sinners (1 Tim. 1:15). No one is beyond forgiveness; it makes little difference as to how many, how big, and how long one's sins have reached.25
God, then, teaches us how to forgive. Finally,
. . . this parable is striking and impressive because of its acute contrasts. First, there is the contrast of Peter's number and the Lord's. Peter was willing to forgive several times, but the Lord said to forgive to infinity. Second, there is the contrast of the two debts. One was a trifling sum, the other was unpayable