box to go to, because the "D" would still have been across the
One of these is founded on the possibility of thinking the "idea of a being that is supremely perfect and infinite," and suggests that "of all the ideas that are in me, the idea that I have of God is the most true, the most clear and distinct. [43][44] Descartes also saw very clearly that all truths were linked with one another, so that finding a fundamental truth and proceeding with logic would open the way to all science. [22][129][130][131], One of Descartes's most enduring legacies was his development of Cartesian or analytic geometry, which uses algebra to describe geometry. 1986. Thinking is thus every activity of a person of which the person is immediately conscious. I entirely abandoned the study of letters. [65] (The winter seems to have been mild,[66] except for the second half of January which was harsh as described by Descartes himself; however, "this remark was probably intended to be as much Descartes' take on the intellectual climate as it was about the weather.