René Descartes

René Descartes Quotes

  • ''One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another.''
    René Descartes (1596-1650), French philosopher, mathematician, scientist. Discourse on Method, book II (1637). Echoing a sentiment earlier expressed by, e.g., Cicero, Varro.
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  • ''Good sense is of all things in the world the most equally distributed, for everyone thinks himself so abundantly provided with it, that even those most difficult to please in all other matters do not commonly desire more of it than they already possess.''
    René Descartes (1596-1650), French philosopher, the Father of Modern Philosophy. Discourse on Method, part I, p. 1, Descartes Selections, ed. R.M. Eaton, Scribners, New York (1927). Ironic opening line of Descartes's famous work.
  • ''it is not possible for there to be in us any thought of which, at the moment it is in us, we are not conscious.''
    René Descartes (1596-1650), French philosopher. "Fourth Replies," Oeuvres de Descartes, volume VII, p. 246, J. Vrin (1964-75).
  • ''I think, therefore I am.
    [Cogito, ergo sum.]''
    René Descartes (1596-1650), French philosopher, mathematician. Le Discours de la Méthode, pt. 4 (1637).
  • ''All that is very clearly and distinctly conceived is true.''
    René Descartes (1596-1650), French philosopher, the Father of Modern Philosophy. The Philosophy of the 16th and 17th Centuries, ed. R.H. Popkin, The Free Press, New York (1966). Meditation III, p. 142, Meditations on First Philosophy. Descartes's criterion of truth.

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