How do we forgive someone who hurt us? What does the Bible say about unforgiveness?

 
Forgiveness, forgiving others, and unforgiveness are major topics in the Bible. While we love receiving forgiveness and forgiveness in the Bible… forgiving others often times is very difficult for us. Without being willing, or knowing how to forgive, the alternative is living with unforgiveness and bitterness. That is not what the Lord wants from us or for us. So, what does the Bible say about Unforgiveness? How do we forgive someone who hurt us? How do we forgive and let go?
SOURCE: Got Questions Ministries - https://www.youtube.com/@gotquestions