Rationalism senses. For instance, his famous dictum, "cogito ergo sum" or "I think, therefore I am", is a conclusion reached "a priori" i.e., prior to any kind of experience on the matter. The simple meaning is that doubting one's existence, in and of itself, proves that an "I" exists to do the thinking. In other words, doubting one's own doubting is absurd. This was, for Descartes, an irrefutable principle upon which to ground all forms of other knowledge. Descartes posited a metaphysical dualism, distinguishing between the substances of the human body (""res extensa"") and the mind or soul (""res cogitans""). This
Mr. Cogito Mr. Cogito appears in the following books of poetry by Herbert: "Mr. Cogito" is a book of poems by Zbigniew Herbert. First published in 1974, the first mention of its possible release dates back to 1969. Four years later, in January 1973, the Catholic weekly "Tygodnik Powszechny" published to great popular acclaim one poem from the planned volume, the iconic "Przesłanie Pana Cogito" ("The Message of Mr. Cogito"). The collection ultimately consisted of 40 poems, which build up the drama around its single main character, Mr. Cogito. Mr. Cogito, who is involved in all the monologues and dialogues in the