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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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Rene Descartes
Age: 53 †
Born: 1596
Born: March 31
Died: 1650
Died: February 11
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More quotes by Rene Descartes
Illusory joy is often worth more than genuine sorrow.
Rene Descartes
I accept no principles of physics which are not also accepted in mathematics.
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
Common sense is the best distributed thing in the world, for we all think we possess a good share of it.
Rene Descartes
If ... it is not in my power to arrive at the knowledge of any truth, I may at least do what is in my power, namely, suspend judgement.
Rene Descartes
Conquer yourself rather than the world.
Rene Descartes
The only secure knowledge is that I exist.
Rene Descartes
A state is better governed which has few laws, and those laws strictly observed.
Rene Descartes
The greatest minds, as they are capable of the highest excellencies, are open likewise to the greatest aberrations and those who travel very slowly may yet make far greater progress, provided they keep always to the straight road, than those who, while they run, forsake it.
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
I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.
Rene Descartes
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.
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
I can doubt everything, except one thing, and that is the very fact that I doubt. Simply put - I think, therefore I am
Rene Descartes
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.
Rene Descartes
In order to improve the mind, we ought less to learn, than to contemplate.
Rene Descartes
There is a difference between happiness, the supreme good, and the final end or goal toward which our actions ought to tend. For happiness is not the supreme good, but presupposes it, being the contentment or satisfaction of the mind which results from possessing it.
Rene Descartes
Hence reason also demands that, since our thoughts cannot all be true because we are not wholly perfect, what truth they do possess must inevitably be found in the thoughts we have when awake, rather than in our dreams.
Rene Descartes
It is possible that I am dreaming right now and that all of my perceptions are false.
Rene Descartes
Intuition is the undoubting conception of a pure and attentive mind, which arises from the light of reason alone, and is more certain than deduction.
Rene Descartes
