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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.
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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La Haye en Touraine
Descartes
Cartesius
Renatus Cartesius
Mind
False
Deny
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Truly
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Ideas
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More quotes by Rene Descartes
In order to improve the mind, we ought less to learn, than to contemplate.
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De omnibus dubitandum
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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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Your joy is your sorrow unmasked. And the self-same well from which your laughter rises was often-times filled with your tears.
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If I found any new truths in the sciences, I can say that they follow from, or depend on, five or six principal problems which I succeeded in solving and which I regard as so many battles where the fortunes of war were on my side.
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The principal effect of the passions is that they incite and persuade the mind to will the events for which they prepared the body.
Rene Descartes
A state is better governed which has few laws, and those laws strictly observed.
Rene Descartes
It is to the body alone that we should attribute everything that can be observed in us to oppose our reason.
Rene Descartes
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
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
And thereby make ourselves, as it were, the lords and masters of nature.
Rene Descartes
The only secure knowledge is that I exist.
Rene Descartes
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?
Rene Descartes
How can you be certain that your whole life is not a dream?
Rene Descartes
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
I suppose therefore that all things I see are illusions I believe that nothing has ever existed of everything my lying memory tells me. I think I have no senses. I believe that body, shape, extension, motion, location are functions. What is there then that can be taken as true? Perhaps only this one thing, that nothing at all is certain.
Rene Descartes
Intuitive knowledge is an illumination of the soul, whereby it beholds in the light of God those things which it pleases Him to reveal to us by a direct impression of divine clearness.
Rene Descartes
He lives well who is well hidden.
Rene Descartes
Mathematics is a more powerful instrument of knowledge than any other that has been bequeathed to us by human agency.
Rene Descartes
Here I beg you to observe in passing that the scruples that prevented ancient writers from using arithmetical terms in geometry, and which can only be a consequence of their inability to perceive clearly the relation between these two subjects, introduced much obscurity and confusion into their explanations.
Rene Descartes
