It so often happens that people judge you by your appearance or even by considering things that others have said about you as being true. So many times in these situations you'd wish they would try to pay attention to your character, to your actions and establish their praise or criticism according to these more important traits that define a person.
But what of those people whose actions define them as being reckless or inconsiderate or even evil?... What about a thief?... you see a news on TV showing a thief getting caught and you're inclined to say or think “I hope he gets what he deserves, I hope he stays in prison for a long time”. Or what about a more evil person?... a criminal... Most of us consider killing a deed which is much worse than stealing... And we so often think that a criminal deserves to die himself in order to pay for his crime(s). It's odd that we never stop to think about the punishment for our actions...
It happens sometimes that we regret wrong judging a person, but almost never we regret judging that person at all. It doesn't matter if it's a grave or a trivial issue, we just never think of our right to judge somebody else. Better said, we don't realize or accept that we don't have that right. Just as we don't have any rights over someone else's life, we also have no right to judge that person. It would be nice if we remembered that at least from time to time...