“I think I am, therefore I am. I think.”
Books, Napalm and Silly Putty (2001)
Help us to complete the source, original and additional information
George Carlin 270
American stand-up comedian 1937–2008Related quotes

“I doubt, therefore I think, therefore I am.”
Cogito, ergo sum.
Variant: Dubito, ergo cogito, ergo sum.
(English: "I doubt, therefore I think, therefore I am")

Je pense, donc je suis.
Le Discours de la Méthode (1637)
Variant: I think, therefore I am.

Degrees: Thought Capsules and Micro Tales (1989)

“I think, therefore I am … not a Christian.”
Ich denke, also bin ich kein Christ.
Bissige Aphorismen, S. 35
“I think... therefore I am annoyed.”
Daily strip for November 17, 2007
Bucky Katt
Source: The Eclipse: A Memoir of Suicide (2004), P. 54.