Cogito, ergo sum
I think, therefore I am: Descartes' first principle of knowledge.
Cogito, ergo sum is a Latin philosophical proposition by René Descartes, usually translated as 'I think, therefore I am.' It served as the foundational principle of his epistemology, intended to establish a certain basis for knowledge in the face of radical doubt.
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- Philosophy
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- French
- known_for
- Cogito, ergo sum (I think, therefore I am)
Lore & Background
The proposition became a fundamental element of Western philosophy, purporting to provide a certain foundation for knowledge. Descartes asserted that the very act of doubting one's own existence proves the reality of one's own mind; there must be a thinking entity for there to be a thought. A critique by Pierre Gassendi argued that the dictum presupposes an 'I' doing the thinking, and that Descartes was only entitled to say 'thinking is occurring', not 'I am thinking'.
Reader's Guide
Cogito, ergo sum is central to Descartes's project of establishing a secure foundation for knowledge. By doubting everything that could be doubted, Descartes arrived at the indubitable fact that the act of doubting itself requires a thinking subject. This argument, though criticized for presupposing the 'I', has been a cornerstone of modern philosophy, influencing debates on selfhood, consciousness, and epistemology. The phrase appears in multiple forms across Descartes's works, and its translation has been debated: some scholars argue for 'I am thinking, therefore I exist' to capture the progressive aspect of the present tense. The dictum remains a touchstone for discussions of certainty and the nature of the self.
Did You Know?
- A critique by Pierre Gassendi argued that Descartes could only claim 'thinking is occurring', not 'I am thinking'.
Frequently Asked Questions
Who is Cogito, ergo sum?
Cogito, ergo sum is a Latin philosophical statement authored by the French thinker René Descartes, commonly rendered in English as 'I think, therefore I am.' It functions as the cornerstone of Descartes' broader epistemological project.
What role does Cogito, ergo sum play?
It acts as Descartes' first indubitable principle of knowledge, designed to anchor certainty even when every other belief is subjected to radical skeptical doubt. In his system, the very act of doubting confirms the existence of the doubting mind.
Why is Cogito, ergo sum considered so important?
It provided a way to escape the problem of universal skepticism by identifying one truth that cannot be coherently denied: the existence of the thinking subject. This single certainty became the starting point from which Descartes attempted to rebuild all other knowledge.
What field and tradition does Cogito, ergo sum belong to?
It belongs to the field of philosophy, specifically to the rationalist tradition of early modern European thought. Descartes, as a French philosopher, used it to lay the groundwork for a new method of acquiring knowledge through reason rather than inherited authority.
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