Here are 12 Bible verses about repentance and forgiveness from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Acts 26:20 KJV
But shewed first unto them of Damascus, and at Jerusalem, and throughout all the coasts of Judaea, and then to the Gentiles, that they should repent and turn to God, and do works meet for repentance.
Matthew 4:17 KJV
From that time Jesus began to preach, and to say, Repent: for the kingdom of heaven is at hand.
Matthew 3:2 KJV
From that time Jesus began to preach, and to say, Repent: for the kingdom of heaven is at hand.
Acts 3:19 KJV
And saying, Repent ye: for the kingdom of heaven is at hand.
Acts 17:30 KJV
Repent ye therefore, and be converted, that your sins may be blotted out, when the times of refreshing shall come from the presence of the Lord;
Acts 20:21 KJV
And the times of this ignorance God winked at; but now commandeth all men every where to repent:
Mark 1:15 KJV
Testifying both to the Jews, and also to the Greeks, repentance toward God, and faith toward our Lord Jesus Christ.
Luke 15:10 KJV
And saying, The time is fulfilled, and the kingdom of God is at hand: repent ye, and believe the gospel.
Luke 5:32 KJV
Likewise, I say unto you, there is joy in the presence of the angels of God over one sinner that repenteth.
Luke 24:47 KJV
I came not to call the righteous, but sinners to repentance.
Mark 6:12 KJV
And that repentance and remission of sins should be preached in his name among all nations, beginning at Jerusalem.
Hebrews 6:1 KJV
And they went out, and preached that men should repent.