Every man is indeed bound to do what he can to promote the good of others, and a man who is of no use to anyone is strictly worthless.
Rene DescartesIntuitive knowledge is an illumination of the soul, whereby it beholds in the light of God those things which it pleases Him to reveal to us by a direct impression of divine clearness.
Rene DescartesYour joy is your sorrow unmasked. And the self-same well from which your laughter rises was often-times filled with your tears.
Rene DescartesThe two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.
Rene DescartesIf I go for the alternative which is false, then obviously I shall be in error; if I take the other side, then it is by... chance that I arrive at the truth, and I shall still be at fault.... In this incorrect use of free will may be found the privation which constitutes the essence of error.
Rene DescartesSo blind is the curiosity by which mortals are possessed, that they often conduct their minds along unexplored routes, having no reason to hope for success, but merely being willing to risk the experiment of finding whether the truth they seek lies there.
Rene Descartes