"how does one measure what is good"
you just open your eyes and count the good things you see vs the bad things you see.
i think #fairness, #justice and #morality are #behaviours formed by #evolution, but they're certainly shaped by your #parents and the #community you grew up in.
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here's an example of #capuchins #monkeys identifying #inequity, #feeling treated #unfair and getting #angry about it.