>>>>>It barks, therefore it is.
>>>>>
>>>>>>Nope, you are a DIA (dyslexic insomniac agnostic ). You spend all your nights awake pondering the existence of dog.<g>
>>>>
>>>>Er barko, er sum, hmmmm. OK
>>>
>>>Arfo ergo sum?
>>
>>"I think, therefore I am" said {insert your favorite stupid ethnic group} and vanished.
>
>And as we skeptics say:
>Sum, ergo cogito (I am, therefore I think) (with apologies to Descartes)

Actually, isn't it "Cogito ergo reputo sum" (I think, therefore I think I am).