cogito, ergo sum
Latin quotation from Descartes
co·gi·to, er·go sum
ˈkō-gi-ˌtō ˌer-gō-ˈsu̇m 
: I think, therefore I am
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“Cogito, ergo sum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cogito%2C%20ergo%20sum. Accessed 31 Oct. 2025.
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