The dreams we imagine when we are asleep should not in any way make us doubt the truth of the thoughts we have when we are awake.
RENE DESCARTESBut what then am I? A thing that thinks. What is that? A thing that doubts, understand, affirms, denies, wills, refuses, and that also imagines and senses.
More Rene Descartes Quotes
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Masked, I advance.
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I doubt, therefore I think, therefore I am.
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Doubt is the origin of wisdom.
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Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.
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But in my opinion, all things in nature occur mathematically.
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When I turn my mind’s eye upon myself, I understand that I am a thing which is incomplete and dependent on another and which aspires without limit to ever greater and better things…
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Am I so tied to a body and senses that I am incapable of existing without them?
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I suppose therefore that all things I see are illusions; I believe that nothing has ever existed of everything my lying memory tells me.
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To know what people really think, pay attention to what they do, rather than what they say.
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For the very fact that my knowledge is increasing little by little is the most certain argument for its imperfection.
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The reading of all good books is like conversation with the finest men of past centuries.
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But what then am I? A thing that thinks. What is that? A thing that doubts, understand, affirms, denies, wills, refuses, and that also imagines and senses.
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Nothing is made from nothing.
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I had become aware, as early as my college days, that no opinion, however absurd and incredible can be imagined, that has not been held by one of the philosophers.
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Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.
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