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.
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 DescartesThe reading of all good books is like a conversation with the finest minds of past centuries.
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