Gandhi allegedly said when asked what he thought of Western civilization, "that's a nice idea." I feel the same about a "just, fair, pragmatic and humane nation." I would add "productive" to your list of adjectives. If such a nation were to exist, it would be a big step up the evolutionary ladder. No such thing exists today nor will it exist during my lifetime. We are what we are and evolution is usually a slow (and very wasteful) process.
It is a lovely idea!