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Metaphors can serve as cognitive instruments.In the process of conceptualization,metaphors would reflex the way people think and affect the way they perceive things.Conceptual metaphors are often used to help layman understand abstract and complex political issues better.The author studies Martin Luther King,Jr’s famous speech “I Have a Dream” from the views of cognitive linguistics,and mainly analyzes the conceptual metaphors in this political speech.
Metaphors can serve as cognitive instruments. The process of conceptualization, metaphors would reflex the way people think and affect the way they perceive things.Conceptual metaphors are often used to help layman understand abstract and complex political issues better. The author studies Martin Luther King , Jr’s famous speech “I Have a Dream ” from the views of cognitive linguistics, and mainly analysts the conceptual metaphors in this political speech.