Age of Enlightenment Louis XV until the French Revolution. If taken back to the mid-17th century, the Enlightenment would trace its origins to Descartes' "Discourse on the Method", published in 1637. In France, many cited the publication of Isaac Newton's "Principia Mathematica" in 1687. It is argued by several historians and philosophers that the beginning of the Enlightenment is when Descartes shifted the epistemological basis from external authority to internal certainty by his "cogito ergo sum" published in 1637. As to its end, most scholars use the last years of the century, often choosing the French Revolution of 1789 or the beginning of
Mr. Cogito collection published in Hebert's lifetime. Surprisingly religious, it contains 5 more texts with Mr. Cogito's name in the title. These are: "Pan Cogito a Małe Zwierzątko ("Mr. Cogito and a Small Animal"), "Pan Cogito. Aktualna pozycja duszy" ("Mr. Cogito. The Current Position of the Soul"), "Pan Cogito. Ars longa" ("Mr. Cogito. Ars Longa"), "Pan Cogito. Lekcja kaligrafii" ("Mr. Cogito. A Calligraphy Lesson"), "Zaświaty Pana Cogito" ("The Underworld of Mr. Cogito"). On one hand, they still show Mr. Cogito as willing to change the world around him, but, on the other, they express a final resignation to his fate. Mr. Cogito