The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.
Rene DescartesIt'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."
Rene DescartesCommon sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.
Rene DescartesIt must not be thought that it is ever possible to reach the interior earth by any perseverance in mining: both because the exterior earth is too thick, in comparison with human strength; and especially because of the intermediate waters, which would gush forth with greater impetus, the deeper the place in which their veins were first opened; and which would drown all miners.
Rene Descartes