The Discourse on the Method (French: Discours de la methode) is a philosophical and autobiographical treatise published by Rene Descartes in 1637. Its full name is Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences. The Discourse on The Method is best known as the source of the famous quotation "Je pense, donc je suis" ("I think, therefore I am"), which occurs in Part IV of the work. (The similar statement in Latin, Cogito ergo sum, is sometimes used.) Meditations on First Philosophy (subtitled In which the existence of God and the immortality of the soul are demonstrated) is a philosophical treatise by Rene Descartes first published in 1641 (in Latin). The French translation (by the Duke of Luynes with Descartes' supervision) was published in 1647 as Meditations Metaphysiques. The book is made up of six meditations, in which Descartes first discards all belief in things that are not absolutely certain, and then tries to establish what can be known for sure. He wrote the meditations as if he had meditated for six days: each meditation refers to the last one as "yesterday" (In fact, Descartes began work on the Meditations in 1639.) One of the most influential philosophical texts ever written, it is widely read to this day. Each RADLEY CLASSIC is a meticulously restored, luxurious and faithful reproduction of a classic book; produced with elegant text layout, clarity of presentation, and stylistic features that make reading a true pleasure. Special attention is given to legible fonts and adequate letter sizing, correct line length for readability, generous margins and triple lead (lavish line separation); plus we do not allow any mistakes/changes/ additions to creep into the original author's words. Visit RADLEY BOOKS at www.radleybooks.com to see more classic book titles in this series.