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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
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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
He lives well who is well hidden.
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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.
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I can doubt everything, except one thing, and that is the very fact that I doubt. Simply put - I think, therefore I am
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Conquer yourself rather than the world.
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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.
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I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.
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De omnibus dubitandum
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Situations in life often permit no delay and when we cannot determine the course which is certainly best, we must follow the one which is probably the best. This frame of mind freed me also from the repentance and remorse commonly felt by those vacillating individuals who are always seeking as worthwhile things which they later judge to be bad.
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It's the familiar love-hate syndrome of seduction: I don't really care what it is I say, I care only that you like it.
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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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[About Pierre de Fermat] It cannot be denied that he has had many exceptional ideas, and that he is a highly intelligent man. For my part, however, I have always been taught to take a broad overview of things, in order to be able to deduce from them general rules, which might be applicable elsewhere.
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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
Mathematics is a more powerful instrument of knowledge than any other that has been bequeathed to us by human agency.
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
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
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
... 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 chief cause of human errors is to be found in the prejudices picked up in childhood.
Rene Descartes
It is not enough to have a good mind. The main thing is to use it well.
Rene Descartes
God alone is the author of all the motions in the world.
Rene Descartes
