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Chapter Eight The Power of Positive Expectations

Primitive humans had difficult lives. Our distant ancestors felt vulnerable to many mysterious forces. In some years food was plentiful; in other years it was hard to find. In some years, severe storms, floods, and forest fires killed many people. Sometimes wounds caused people to die, but wounds sometimes healed. Some people recovered from sicknesses that killed others.

Our human brain gives us the ability to recall memories of the past and imagine the future. We can remember good and bad things that have happened to us and can anticipate good and bad things that might happen. People used their minds and developing language skills as best they could to try to understand and explain the causes ...

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