If you believe that feeling bad or worrying long enough will change a past or future event, then you are residing on another planet with a different reality system.
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About William James
William James was a 19th-century American philosopher and psychologist. William James was an American philosopher and psychologist. The first educator to offer a psychology course in the United States, he is considered to be one of the leading thinkers of the late 19th century, one of the most influential philosophers and is often dubbed the "father of American psychology." Read more on Wikipedia →