Bible Verses About Repentance: Necessary to the pardon of sin

And Peter said unto them, Repent ye, and be baptized every one of you in the name of Jesus Christ unto the remission of your sins; and ye shall receive the gift of the Holy Spirit.

Repent ye therefore, and turn again, that your sins may be blotted out, that so there may come seasons of refreshing from the presence of the Lord;

Repent therefore of this thy wickedness, and pray the Lord, if perhaps the thought of thy heart shall be forgiven thee.