Rene Descartes — "Cogito, ergo sum. (I think, therefore I am.)"
Cogito, ergo sum. (I think, therefore I am.)
Cogito, ergo sum. (I think, therefore I am.)
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"I concluded that I was a substance whose whole essence or nature consists only in thinking, and that, in order to exist, it needs no place and depends on no material thing."
"It is a mark of a truly great mind to be able to make a great discovery with few means."
"The existence of God is clearly demonstrated by the very idea of God."
"I am accustomed to take my sleep for granted, and I often imagine that I dream of the most important things, when after all I am only dreaming."
"I am certain that I am a thinking thing, and that I have a body, and that I am distinct from my body."
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