"The effect of this man on his age and the new age cannot be imagined broadly enough... René Descartes is indeed the true beginner of modern philosophy, insofar as it makes thinking the principle. "- Hegel "Descartes was the first to bring to light the idea of a transcendental science, which is to contain a system of knowledge of the conditions of possibility of all knowledge." - Kant "Descartes is rightly considered the father of modern philosophy" - Schopenhauer A new 2024 translation directly from the original manuscripts into English of Descartes' famous work "Discourse on Method to lead one's reason well and to seek the truth in sciences plus Dioptric, Meteors and Geometry" usually shortened to merely "Discourse on the Method". This edition contains a new introduction and afterword from the translator, as well as a timeline of Descartes' life and summaries of each of his works. This work is a collection of three essays that discuss the methods of reasoning and investigation that Descartes used to arrive at his conclusions. It is significant because it established the idea of doubt and skepticism as a starting point for knowledge, and is a foundational text for critical thinking. This work helped found the method of doubt used in the Scientific method.