Thousands of years ago, cats were worshipped as gods. Cats have never forgotten this.
Owners of dogs have noticed that, if you provide a dog with food, water, shelter and affection, they will think you are god. Whereas owners of cats are compelled to realize that, if you provide a cat with food, water, shelter and affection, they draw the conclusion that they are gods.
―Christopher Hitchens, The Portable Atheist: Essential Readings for the Nonbeliever