Home › Philosophy › Selections from the Principles of Philosophy › Read onlineSelections from the Principles of Philosophyby René Descartes7 sections · Download EPUBStart reading ›Continue reading1Note2Letter of the Author3To the Most Serene Princess4Part I — Of the Principles of Human Knowledge5Part II — Of the Principles of Material Things6Part III — Of the Visible World7Part IV — Of the Earth← Back to Selections from the Principles of Philosophy