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I should consider that I know nothing about physics if I were able to explain only how things might be, and were unable to demonstrate that they could not be otherwise.
Rene Descartes
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Rene Descartes
Age: 53 †
Born: 1596
Born: March 31
Died: 1650
Died: February 11
Astronomer
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Mechanical Automaton Engineer
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La Haye en Touraine
Descartes
Cartesius
Renatus Cartesius
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More quotes by Rene Descartes
I accept no principles of physics which are not also accepted in mathematics.
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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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Nothing comes out of nothing.
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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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Omnia apud me mathematica fiunt.
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Let whoever can do so deceive me, he will never bring it about that I am nothing, so long as I continue to think I am something.
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Divide each difficulty at hand into as many pieces as possible and as could be required to better solve them.
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The nature of matter, or body considered in general, consists not in its being something which is hard or heavy or coloured, or which affects the senses in any way, but simply in its being something which is extended in length, breadth and depth.
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He who hid well, lived well.
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For how do we know that the thoughts which occur in dreaming are false rather than those others which we experience when awake, since the former are often not less vivid and distinct than the latter?
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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.
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It is not enough to have a good mind. The main thing is to use it well.
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Even those who have the weakest souls could acquire absolute mastery over all their passions if we employed sufficient ingenuity in training and guiding them.
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There is nothing more ancient than the truth.
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Illusory joy is often worth more than genuine sorrow.
Rene Descartes
Thus each truth discovered was a rule available in the discovery of subsequent ones.
Rene Descartes
Perfect numbers like perfect men are very rare.
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
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
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