Descartes Cogito Quotes & Sayings

Descartes' immortal conclusion cogito ergo sum was recently subjected to destruction testing by a group of graduate researchers at Princeton led by Professors Montjuic and Lauterbrunnen, and now reads, in the Shorter Harvard Orthodoxy:
(a) I think, therefore I am; or
(b) Perhaps I thought, therefore I was; but
(c) These days, I tend to leave that side of things to my wife. — Tom Holt

CARTESIAN, adj. Relating to Descartes, author of 'Cogito ergo sum' to demonstrate the reality of human existence. The dictum might be improved 'Cogito cogito ergo cogito sum' 'I think that I think, therefore I think that I am' as close an approach. — Ambrose Bierce

Dubito, ergo cogito, ergo sum.

(English: "I doubt, therefore I think, therefore I am") — Rene Descartes

I assume therefore I think I think yet still don't know a goddamn thing. — Brian Spellman

Let there be an end to thought. Thus do I refute Descartes.' I sprawled, not a cogito or a sum to my name. — Roger Zelazny

One can ask why the I has to appear in the cogito {Descartes' argument "I think therefore I am.}, since the cogito, if used rightly, is the awareness of pure consciousness, not directed at any fact or action. In fact the I is not necessary here, since it is never united directly to consciousness. One can even imagine a pure and self-aware consciousness which thinks of itself as impersonal spontaneity. — Jean-Paul Sartre

I am not much for philosophy, but that old Descartes, he got me thinking. And therefore being. Anyone? Anyone? Cogito ergo sum jokes? No? Okay. — John Green

In his mature works from Ideas I, notably the Cartesian Meditations (1931), Husserl presented his approach as a radicalization of Descartes' project that sought to return knowledge to a foundation in the certainty of subjective experience (cogito ergo sum). — Dermot Moran

For intellectual authority, the appropriate version of Descartes 's cogito would be today: I am talked about, therefore I am. — Zygmunt Bauman