All that is necessary to right action is right judgment, and to the best action the most correct judgment.
RENE DESCARTESIt is only prudent never to place complete confidence in that by which we have even once been deceived.
More Rene Descartes Quotes
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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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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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I took especially great pleasure in mathematics because of the certainty and the evidence of its arguments.
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I doubt, therefore I think, therefore I am.
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That we conduct our thoughts along different ways, and do not fix our attention on the same objects.
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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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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 the increasing discovery of my own ignorance
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To live without philosophizing is in truth the same as keeping the eyes closed without attempting to open them.
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If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.
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It is a common failing of mortals to deem the more difficult the fairer.
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I think; therefore I am.
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In order to seek truth, it is necessary once in the course of our life to doubt, as far as possible, of all things
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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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So far, I have been a spectator in this theatre which is the world, but I am now about to mount the stage, and I come forward masked.
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To think? That’s it. It is thought. This alone cannot be detached from me. I am, I exist; that is certain.
RENE DESCARTES






