Well, in Matthew 6:15, it says "but if you do not forgive others their trespasses, neither will your Father forgive your trespasses." And, I know I use this one a lot, but in John 3:3,5 it talks about how, unless we're born again, we won't even see Heaven, and in Acts 2:38, it says that Baptism is forgiveness of sins. So what does this have to do with the topic of this article? Well, this shows us that, if we aren't baptized, then we aren't forgiven. Unless we ask forgiveness for our sins, we don't receive it. So if God doesn't even forgive others unless they ask of it, then we shouldn't either. Even though we are to forgive others, we don't need to forgive them if they don't ask for it. We don't have to hate them, by no means should we hate them, but that doesn't mean that we should forgive them necessarily.
Yes, I know this was a very short article, but I felt that it was a very important subject to cover anyway. So thank you for reading, and please keep this in mind. :)