By looking at nature from the top down, we can see that much of what we call human nature is really animal nature. That’s because the human brain is programmed with millions of years of genetic learning that we share with other species. Because we share common roots and common laws, we and other animals have similar attributes and constraints. For example, the male/female sexual reproduction process, using two eyes to provide depth perception, and many other systems are shared by many species in the animal kingdom. Similarly, our brains have some “animal” parts that are much older in
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