When soneone hurts you and you are able to let it go and not harbor ill feelings against the person who hurt you...that is forgiveness. When you forgive someone you don't ever speak about it or bring it up in conversation ever again. If you continue to bring it up it's still irking you and you have not truly forgiven that person.

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No eye has seen, no ear has heard, no mind has conceived what God has prepared for those who love him. 1 Corinthians 2:9