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Let whoever can do so deceive me, he will never bring it about that I am nothing, so long as I continue to think I am something.

Rene Descartes

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Rene Descartes
Age: 53 †
Born: 1596
Born: March 31
Died: 1650
Died: February 11
Astronomer
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Mathematician
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La Haye en Touraine
Descartes
Cartesius
Renatus Cartesius
Continue
Bring
Nothing
Long
Something
Never
Deceive
Think
Deceiving
Thinking
Whoever

More quotes by Rene Descartes

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This result could have been achieved either by his [God] endowing my intellect with a clear and distinct perception of everything about which I would ever deliberate, or simply by impressing the following rule so firmly upon my memory that I could never forget it: I should never judge anything that I do not clearly and distinctly understand.
Rene Descartes
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We call infinite that thing whose limits we have not perceived, and so by that word we do not signify what we understand about a thing, but rather what we do not understand.
Rene Descartes
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Each problem that I solved became a rule, which served afterwards to solve other problems.
Rene Descartes
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Mathematics is a more powerful instrument of knowledge than any other that has been bequeathed to us by human agency.
Rene Descartes
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Common sense is the best distributed thing in the world, for we all think we possess a good share of it.
Rene Descartes
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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.
Rene Descartes
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Omnia apud me mathematica fiunt.
Rene Descartes
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We do not describe the world we see, we see the world we can describe.
Rene Descartes
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It is possible that I am dreaming right now and that all of my perceptions are false.
Rene Descartes
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For I found myself embarrassed with so many doubts and errors that it seemed to me that the effort to instruct myself had no effect other than th eincreasing discovery of my own ignorance
Rene Descartes
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For how do we know that the thoughts which occur in dreaming are false rather than those others which we experience when awake, since the former are often not less vivid and distinct than the latter?
Rene Descartes
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Your joy is your sorrow unmasked. And the self-same well from which your laughter rises was often-times filled with your tears.
Rene Descartes
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Science is practical philosophy.
Rene Descartes
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I am thing that thinks: that is, a things that doubts,affirms, denies, understands a few things, is ignorant of many things, is willing, is unwilling, and also which imagines and has sensory perceptions.
Rene Descartes
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The rainbow is such a remarkable phenomenon of nature, and its cause has been so meticulously sought after by inquiring minds throughout the ages, that I could not choose a more appropriate subject for demonstrating how, with the method I am using, we can arrive at knowledge not possessed at all by those whose writings are available to us.
Rene Descartes
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Nothing comes out of nothing.
Rene Descartes
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There is nothing more ancient than the truth.
Rene Descartes
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The only secure knowledge is that I exist.
Rene Descartes
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Give me extension and motion and I will construct the universe.
Rene Descartes
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I accept no principles of physics which are not also accepted in mathematics.
Rene Descartes