Disproving a claim that something exists is often quite difficult, and this difficulty is often mistaken for evidence that the claim is true...Presen… - John Allen Paulos

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Disproving a claim that something exists is often quite difficult, and this difficulty is often mistaken for evidence that the claim is true...Presented as I am periodically with these and other fantastical claims, I sometimes feel a little like a formally dressed teetotaler at a drunken orgy for reiterating that not being able to conclusively refute the claims does not constitute evidence for them.