Is justice for all possible?
No, it’s absolutely not possible. I’m going to answer you from a Christian perspective, but the basic argument would be valid in many other systems, like history, sociology, or other fields which might ask this question. The basic issue is one of human nature. Basically human nature is “broken”, and continually needs to be fixed, in one way or another. A child does not have to be taught to lie, for instance, but he does have to be taught to tell the truth constantly. You can extend this principle to the whole realm of human behavior quite reliably. For example, if somehow you were able to somehow wipe the slate clean for the whole human species, so that there were no racism, it would immediately be “reinvented” simultaneously in every culture in the world. People have an innate desire to elevate themselves above other people, and to love themselves more than others. Indeed, even with supernatural help, a Christian still has to work hard to love people the way God does. It’s not in our
