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I accept no principles of physics which are not also accepted in mathematics.
Rene Descartes
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Rene Descartes
Age: 53 †
Born: 1596
Born: March 31
Died: 1650
Died: February 11
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More quotes by Rene Descartes
We do not describe the world we see, we see the world we can describe.
Rene Descartes
I experienced in myself a certain capacity for judging which I have doubtless received from God, like all the other things that I possess and as He could not desire to deceive me, it is clear that He has not given me a faculty that will lead me to err if I use it aright.
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
The reading of all good books is indeed like a conversation with the noblest men of past centuries who were the authors of them, nay a carefully studied conversation, in which they reveal to us none but the best of their thoughts.
Rene Descartes
But possibly I am something more than I suppose myself to be.
Rene Descartes
Neither the true nor the false roots are always real sometimes they are imaginary that is, while we can always imagine as many roots for each equation as I have assigned, yet there is not always a definite quantity corresponding to each root we have imagined.
Rene Descartes
... 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
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
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
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
Wonder is the first of all the passions.
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
There is a little gland in the brain in which the soul exercises its functions in a more particular way than in the other parts.
Rene Descartes
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
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
In God there is an infinitude of things which I cannot comprehend, nor possibly even reach in any way by thought for it is the nature of the infinite that my nature, which is finite and limited, should not comprehend it.
Rene Descartes
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
How do we know that anything really exists, that anything is really the way it seems ot us through our senses?
Rene Descartes
Everything is self-evident.
Rene Descartes
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