A major component of the western myth is the belief that myth is a primitive and mistaken way of thinking about the world that has been replaced by science. Commonly, the word "myth” is now used to mean an illusion or a lie... Enlightened moderns are accustomed to looking at the queer beliefs of the Mayas or the Tassaday and seeing them as mythical. But we look on our own belief systems as rational and rooted in the realities of politics and economics. As Joseph Campbell says: "Myth is other people's religion.”.