I've taken some personal aspects on this since I was very young.
A long time ago, I made a promise to myself. I first started by saying that I would make sure not be angry with a person past the setting of the sun. For there is a Bible message saying "Don't let the sun go down while you are still angry."
However, I found that - if I was going to do that, I may as well take it a step further and eventually came to a point where I made a promise with myself, that I would forgive everyone that would ever hurt me in life from that point on, at that very moment. Independent of what they did. I wanted to forgive them before they did it, so I wouldn't have the chance to get angry with them later.
This worked out rather well, because when you're not angry with someone to begin with, it's easy to forgive them. And when they do something, you can't be angry with them, because that time came and went before they even did it... so they're already forgiven.
Recently though, I've taken the ethics and considered them further. And this will grant me a lot of trouble if I'm ever picked for a jury because I don't believe in charging anyone as guilty, it's somewhat against my religion by now.
But needless to say, I consider sin and realized this. If what a person does to us is wrong and we can find a way to reconcile this in a natural means to the person so that both of us are satisfied, that is, to change them, then they were misguided to begin with and they were wronged in never being shown that path or option. Either way, it won't occur again and there is no use in holding it against them, for now they can change.
On the other hand, if no one can find any way for them to have done differently, if no means exist to allow their created existence to be in harmony with everyone, then how could that person have found such an answer? There never was one, and it is wrong to punish another for something they had no choice in to begin with.
Either way, there is no reason to shackle ourselves to hatred or any evil thing out of
retaliation. For then, we ourselves have become the evil that we sought to destroy.
Of course, I'll admit. From this vantage point I'm left arguing with God constantly that he should just get rid of the whole Hell thing. But I doubt I'll get anywheres any time soon. I can keep trying though
. At least though, remember that as we judge others, by the same strictness we ourselves will be judged, so it never hurts to be more merciful. Be a merciful extremist, you can't go wrong and you'll feel better for it.