More interestingly, there's a long running philosophical question about whether there is some abstract but relatively universal and objective "Good" versus particular goods (or merely baskets of goods) for particular kinds of agents or even just individual agents.
Incidentally, have you read the metaethics sequence yet? It's quite lengthy, but it attacks this question a good deal more sensibly than most attempts I've seen.
Three Worlds Collide also deconstructs the concept in a much more accessible way.
We've had these for a year, I'm sure we all know what to do by now.
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