What do Pagan Religions - or You - Think about Vengeance?

I know that doing the bad for other person is something that most pagan religions despise, or merely says it is dangerous for the pratictioner because all of the karma stuff. But what if someone did something for you, and it's questionless that it was bad and intended, wouldn't Karma 'allows' you to retribute? Like a kind of actual balancing between bad and good, because I believe that if someone did the bad for other person it's perfectly fine for the other person to do something bad back at the first one.

Do you think that if one did the bad and is not actually regretful about what he did, he deserves to be punished? I'm an 'eye for eye, tooth for tooth' kind of person, but I'm afraid of the magickal consequences it could happen to me, so I prefer to keep myself informed, or at least hear other people oppinion about this subject: vengeance. When it comes to justice, is it considerable doing the bad back?

[url=http://www.ecauldron.com/forum/showthread.php?5042-What-do-pagan-religions-or-you-think-about-Vengeance]What do pagan religions - or you - think about Vengeance?[/url]