"God will get you/them/him/her for that." Some days I find comfort in the words of the sage woman Maude Finley. This is especially helpful for anyone who volunteers in domestic animal rescue. Have a badly treated dog or cat? Use that as a mantra while helping to get them to the vet's and into a foster home. It keeps you focused on the situation in front of you without draining your resources plotting vengance.
Other days, I have a vision of God who is on everyone's side. One who is warm and fuzzy and unconditionally loving.
Maybe the truth lies in the middle.