"People's beliefs about arthritis pain and the weather may tell more about the workings of the mind than of the body," concluded the late Stanford psychologist Amos Tversky in the mid-1990s, after comparing the pain reports of 18 rheumatoid-arthritis patients with local weather conditions for a year and finding no connection.
Clearly, Mr. Tversky did not suffer from arthritis or an old broken bone.
The skeptic is never for real. There he stands, cocktail in hand, left arm draped languorously on one end of the mantelpiece, telling you that he can't be sure of anything, not even of his own existence. I'll give you my secret method of demolishing universal skepticism in four words. Whisper to him: "Your fly is open." If he thinks knowledge is so all-fired impossible, why does he always look? — James Sire (from, The Universe Next Door)