It would seem that a person's most memorable attributes become the ones that define them. If the bad you do in life weighs heavier on others than the good, you will be poorly remembered. If the good weighs heavier than the bad you will be lauded in memory. It is up to you to take responsibility to make sure that the evil you contribute to the world is minor in comparison to the good. This makes your evil forgivable, this is your redemption, it is as simple as that.
...How to become "Mad Decent".