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How do we know that anything really exists, that anything is really the way it seems ot us through our senses?
Rene Descartes
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Rene Descartes
Age: 53 †
Born: 1596
Born: March 31
Died: 1650
Died: February 11
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La Haye en Touraine
Descartes
Cartesius
Renatus Cartesius
Senses
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More quotes by Rene Descartes
If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.
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And I shall always hold myself more obliged to those by whose favour I enjoy uninterrupted leisure than to any who might offer me the most honourable positions in the world.
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I hope that posterity will judge me kindly, not only as to the things which I have explained, but also to those which I have intentionally omitted so as to leave to others the pleasure of discovery.
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Everybody thinks himself so well supplied with common sense that even those most difficult to please. . . never desire more of it than they already have.
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Even if I were to suppose that I was dreaming and whatever I saw or imagined was false, yet I could not deny that ideas were truly in my mind.
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Except our own thoughts, there is nothing absolutely in our power.
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When I consider this carefully, I find not a single property which with certainty separates the waking state from the dream. How can you be certain that your whole life is not a dream?
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With me, everything turns into mathematics.
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Doubt is the origin of wisdom
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Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.
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...it is certain that I am really distinct from my body, and can exist without it.
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Instead I ought to be grateful to Him who never owed me anything for having been so generous to me, rather than think that He deprived me of those things or has taken away from me whatever He did not give me.
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On the one hand I have a clear and distinct idea of myself, in so far as I am a thinking, non-extended thing and on the other hand I have a distinct idea of body, in so far a this is simply an extended, non-thinking thing. And, accordingly, it is certain that I am really distinct from my body, and exist without it.
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Few look for truth many prowl about for a reputation of profundity by arrogantly challenging whichever arguments are the best.
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Sensations are nothing but confused modes of thinking.
Rene Descartes
The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.
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I know that I exist the question is, What is this 'I' that 'I' know.
Rene Descartes
Illusory joy is often worth more than genuine sorrow.
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... moral certainty is certainty which is sufficient to regulate our behaviour, or which measures up to the certainty we have on matters relating to the conduct of life which we never normally doubt, though we know that it is possible, absolutely speaking, that they may be false.
Rene Descartes
The only secure knowledge is that I exist.
Rene Descartes
