Cogito, ergo sum.
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I think, therefore I am.
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Variant: I think therefore I exist.
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Principia philosophiae (Principles of Philosophy) (1644), Part I, Article 7Rene Descartes
» Rene Descartes - all quotes »
Cartesian, adj. Relating to Descartes, a famous philosopher, author of the celebrated dictum, Cogito ergo sum -- whereby he was pleased to suppose he demonstrated the reality of human existence. The dictum might be improved, however, thus: Cogito cogito ergo cogito sum -- "I think that I think, therefore I think that I am;" as close an approach to certainty as any philosopher has yet made.
Ambrose Bierce
[picket sign] COGITO ERGO NOTHING!....[casual passerby:] "Cogito ergo your ass"....
Donald Barthelme
The hardship of it was a pleasure. Life was a pleasure; he looked back at its moments, many of them as shrouded in mist as the opposite bank of the Thames. Objectively, many of them held only misery, fear, confusion; but afterward, and even at the time, he had known an exhilaration stronger than the misery, fear, or confusion. A fragment of belief came to him from another epoch: Cogito ergo sum. For him that had not been true; his truth had been: Sentio ergo sum. I feel, so I exist. He enjoyed this fearful, miserable, confused life, and not only because it made more sense than nonlife. He could never explain that to anyone.
Brian Aldiss
The way we live can be summarized in three sentences:
1. Cogito ergo sum / Je pense, donc je suis (René Descartes)
2. Esse est percipi (George Berkeley)
3. Ho de anexetastos bios ou biôtos anthrôpôi (Socrates and Plato)
The trick is to balance them well to create a happy life.Newton Lee
One kind of person is engaged in society without realizing it; another kind engages in society by controlling it. The one is a gear, a cog, and the other an engineer, a driver. But a person who has opted out has only his ability to express his disengagement between his existence and nothingness. Not cogito, but scribo, ergo sum.
John Fowles
Descartes, Rene
DeShannon, Jackie
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