"If your brother offends you seven times in a day but says to you seven times: 'I'm sorry,' forgive him." (Luke 17:4)

When Jesus talked about forgiving our brothers seven times, those who understand the Old Testament well will naturally think of Solomon's wisdom, "Even though the virtuous man falls seven times, he gets up again." (Proverbs 24:16)

Therefore, they understand that those who offend us might not be "unjust".

Who can be at absolutely no fault for as long as fault has been corrected, there is no better than that.

To the Semitic people, the figure "Seven" has the meaning of perfection. However, to Jesus, forgiveness should not be restricted in any numbers.

One occasion, Peter asked Jesus, "Lord, how many times must I forgive the offenses of my brother or sister? Seven times?" Jesus answered, "No, not seven times, but seventy-seven times." (Matthew 18:21-22) It means countless times.

In fact, the reason behind this is that we need the mercy of the Father, "Forgive us our debts just as we have forgiven those who are in debt to us." (Matthew 6:12)

The Gospel of Mark has the same message, "When you stand to pray, forgive whatever you may hold against anyone, so that your heavenly Father may also forgive your sins." (Mark 11:25-26)

On the cross, Jesus practiced what he teaches. He said to the Father, "Father, forgive them for they know not what they do."

After His resurrection, Jesus entrusted Simon Peter to look after his sheep despite Peter betraying him three times.

After they had finished breakfast, Jesus said to Simon Peter, "Simon, son of John, do you love me more than these?" He answered, "Yes, Lord, you know that I love you." And Jesus said, "Feed my lambs."

A second time Jesus said to him, "Simon, son of John, do you love me?" And Peter answered, "Yes, Lord, you know that I love you." Jesus said to him, "Look after my sheep."

And a third time he said to him, "Simon, son of John, do you love me?" Peter was saddened because Jesus asked him a third time, "Do you love me?" and he said, "Lord, you know everything; you know that I love you." Jesus then said, "Feed my sheep. (John 21: 15-17)