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Patron: Why won’t you tell me which book is correct?
Martin: Those aren’t full of facts. They’re political opinions.

Patron: One of them must be more correct.
Martin: No, they could both be totally wrong.

Patron: Which one do you believe?
Martin: Telling you that would expose my political beliefs.

Patron: Okay...can you help me research facts supporting these?
Martin: Sure, but first let’s make sure we agree about what a fact is.