All cultures share certain commonalities, stored in our genetic inheritance. Anthropologists tell us that all cultures distinguish colors. When they do, all cultures begin with words for white and black. If the culture adds a word for a third color, it is always red. All humans, for example, register the same basic facial expressions for fear, disgust, happiness, contempt, anger, sadness, pride, and shame. Children born without sight display emotion on their faces the same way as children born with sight. All humans divide time into past, present, and future. Almost all fear, at least at first, spiders, and snakes, creatures that threatened their Stone Age ancestors. All human societies produce art. They all disapprove, at least in theory, of rape and murder. They all dream of harmony and worship God.
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