Owners of dogs will have noticed that if you provide them with food and water and shelter and affection they will think you are God. Whereas owners of cats are compelled to realize that if you provide them with food and water and affection they draw the conclusion that they are God.
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I tell my students it's not difficult to identify with somebody like yourself somebody next door who looks like you. What's more difficult is to identify with someone you don't see who's very far away who's a different color who eats a different kind of food. When you begin to do that then literature is really performing its wonders.