"Descartes' book on the passions is admirable, and shows that he was a great genius not only in geometry, but also in philosophy." -Blaise Pascal

"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 2023 translation directly from the original manuscripts into English of Descartes' famous work "The Passions of the Soul" (Les passions de l'ame). 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.

Descartes explores the nature of human emotions and their relationship to the mind and body he in "the passions of the soul". This is a critical text to Psychology because it helped to establish the idea that emotions are caused by physical processes in the body, and had a significant impact on the development of the field psychology, which did not exist in Descartes' time.