[mosdef]

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There is a principle as I've already explained. It is my belief that the world is better off if people behaved as such. That's the principle I am using for my life. You may not share the same principle in yours and that is fine.

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Actually, when you say you would use violence to stop someone else from abusing a child you are saying that it's not fine for some people to not share the same principles. This is the distinction you are not making in your "counterexamples" about blue and red shoes but that is essential to the concept of "rights" vs. "subjecive preferences" that you are claiming does not exist.