Forgiveness is no favor. We do it for no one but ourselves. We simply pay too high a price when we refuse to forgive.
Can we afford to hold to self-destructiveness and why?
Someone shared that thought with me recently and I found a variation of it on the web. But it is one I've long believed (and have posted about before).
The reason "the greater sin" is in the person who does not forgive, is that failing to forgive is the only way anything bad done to us can harm us beyond the walls of the world. We forgive not to help others, but to save ourselves.