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Latin

cogito ergo sum

KOH-jih-toh ER-goh SUM

ˈkɒɡɪtoʊ ˈɜːrɡoʊ sʌm

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Syllable breakdown

cogitoergosum

Sounds like

Say 'KOH-jih-toh ER-goh SUM'.

Dictionary meaning

Descartes' famous philosophical statement: 'I think, therefore I am' — the foundational certainty of his system.

History and origin

Latin — 'cogito ergo sum' by René Descartes, 1637.

Examples

  • Cogito ergo sum remains the most famous phrase in Western philosophy.

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