René Descartes - Life Quotes
4 Sourced Quotes
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.
Variant translation: The seeker after truth must, once in the course of his life, doubt everything, as far as is possible.
Just as we believe by faith that the greatest happiness of the next life consists simply in the contemplation of this divine majesty, likewise we experience that we derive the greatest joy of which we are capable in this life from the same contemplation, even though it is much less perfect.
Regard this body as a machine which, having been made by the hand of God, is incomparably better ordered than any machine that can be devised by man, and contains in itself movements more wonderful than those in any machine.... it is for all practical purposes impossible for a machine to have enough organs to make it act in all the contingencies of life in the way in which our reason makes us act.
No more useful inquiry can be proposed than that which seeks to determine the nature and the scope of human knowledge.... This investigation should be undertaken once at least in his life by anyone who has the slightest regard for truth, since in pursuing it the true instruments of knowledge and the whole method of inquiry come to light. But nothing seems to me more futile than the conduct of those who boldly dispute about the secrets of nature... without yet having ever asked even whether human reason is adequate to the solution of these problems.