I like it too. I also like this one...
"Forgiveness is not about forgetting. It is remembering without bitterness."

This way we can allow ourselves and others to be ordinary human beings, without acting holier than thou.

So it follows that if you can have enough humility in the first place to acknowledge you don't really know all the facts about people, what motivates them, then you don't have to make judgements about them that require your "forgiveness".