Not Marx, not Twain. Not even Groucho Marx, although it is most often attributed to him. Actual source? S.J. Perelman
----- Original Message ----- From: "Julio Huato" <[EMAIL PROTECTED]> To: <PEN-L@SUS.CSUCHICO.EDU> Sent: Monday, July 16, 2007 9:43 PM Subject: Re: [PEN-L] A question on the ethics of complicated econometric estimations > > > (Of course, to quote Marx, I don't > > want to belong to any club that would > > accept me as a member!) > > Yes, Marx Twain.