Using the key scripture from Matthew 18: 21-35 Glenn explains why forgiveness is so important to the Christian believer. Unforgiveness goes directly against the nature of God and will damage your relationship with Him. Unforgiveness is like a giant Python snake that wants to squeeze the life out of you.
Other scriptures used are Matthew 6:14-15, Colossians 1:13-14, Psalm 32:1-5