Beware of anyone who insists that there is one true morality for all people, times, and places—particularly if that morality is founded upon a single moral foundation. Human societies are complex; their needs and challenges are variable. Our minds contain a toolbox of psychological systems, including the six moral foundations, which can be used to meet those challenges and construct effective moral communities. You don’t need to use all six, and there may be certain organizations or subcultures that can thrive with just one. But anyone who tells you that all societies, in all eras, should be
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