Cogito+Ergo+Sum

I think therefore I am ||  || cogitate, cognition ||  || In Ecce Romani I - Chapter IX, "Cornelia respondet, '__Sum__ Cornelia! Surge!'"
 * = *Cogito Ergo Sum = || graded ||
 * *translation:
 * || [[image:245px-Frans_Hals_-_Portret_van_René_Descartes.jpg caption="This is Rene Descartes, a French philosopher who stated this phrase in his Discourse on Method." link="http://en.wikipedia.org/wiki/Ren%C3%A9_Descartes"]] ||
 * derivatives:
 * derivatives:
 * connection(s) to other sententiae or Ecce Romani chapters:

In other Sententiae, Civis Romanus __sum__, which means "I am a Roman citizen." ||  || [|New York Times - Liar Liar Pants on Fire - March 7, 2012,]
 * *examples in English texts: (must include link or citation!)

In nontheme news, we have actor and former Celebrity Guest Blogger Josh Radnor’s character TED from television’s “How I Met Your Mother” making an appearance in the grid. I was surprised that John Lennon had referred to his wife, Yoko ONO, in such an odd way. On the other hand, I loved the clue for COGITO, “Start of a line ending in sum?” No mathematical reference, that; Mr. Thompson is thinking of “Cogito ergo sum,” or “I think, therefore I am.” || *created by: Regulus Publius

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