" Since language is used for communicating thought, our view of language must also reflect our new understanding of the nature of thought. Language is at once a surface phenomenon and a source of power. It is a means of expressing, communicating, accessing, and even shaping thought. Words are defined relative to frames and conceptual metaphors. "

― George Lakoff , The Political Mind: Why You Can't Understand 21st-Century American Politics with an 18th-Century Brain