Exist Quote by Rene Descartes
“I think therefore I exist.”
About This Quote
Source Book: Discourse on the Method, 1637
Existence is confirmed by the act of thinking; consciousness proves being.
In simple terms: Thinking proves existence.
Key Takeaway
Question your thoughts to affirm being.
Themes
philosophy
consciousness
existence
Mood
thoughtful
introspective
Type
philosophical
inspirational
When to use this quote
- self‑reflection
- meditation
- critical thinking
Key Concepts
cogito ergo sum
epistemology
Questions to Reflect On
- Do you ever doubt your own existence?
- What does thinking mean to you?
A Different Perspective
The claim assumes thinking is always present, which may not hold in altered states.
![“[About Pierre de Fermat] It cannot be denied that he has had many exceptional ideas, and that he is a highly intelligent man. For my part, however, I have always been taught to take a broad overview of things, in order to be able to deduce from them general rules, which might be applicable…” quote by Rene Descartes](https://sms4smile.com/quotes/img-quotes/588/ren-descartes-1376_able_about-pierre-de-fermat-it-cannot-be-deni_89929.jpg)
![“And what more am I? I look for aid to the imagination. [But how mistakenly!] I am not that assemblage of limbs we call the human body; I am not a subtle penetrating air distributed throughout all these members; I am not a wind, a fire, a vapor, a breath or anything at all that I can image. I am…” quote by René Descartes](https://sms4smile.com/quotes/img-quotes/207/ren-descartes-1376_human-body_and-what-more-am-i-i-look-for-aid-to-the_115493.jpg)
