Selections from the Principles of PhilosophySELECTIONS FROM THE PRINCIPLES OF PHILOSOPHY OF DESCARTESJohn Veitch translationChapter navigation8 reading sectionsGo to chapterChoose a chapter…Front matterSELECTIONS FROM THE PRINCIPLES OF PHILOSOPHY OF DESCARTESLETTER OF THE AUTHORTO THE MOST SERENE PRINCESS,PART I. OF THE PRINCIPLES OF HUMAN KNOWLEDGE.PART II. OF THE PRINCIPLES OF MATERIAL THINGS.PART III. OF THE VISIBLE WORLD.PART IV. OF THE EARTH.Previous chapter ←Front matterNext chapter →LETTER OF THE AUTHORAll chapters and sections (8)Opening pagesFront matterOther sectionsSELECTIONS FROM THE PRINCIPLES OF PHILOSOPHY OF DESCARTESLETTER OF THE AUTHORTO THE MOST SERENE PRINCESS,Parts1234TRANSLATED FROM THE LATIN AND COLLATED WITH THE FRENCH← Front matterLETTER OF THE AUTHOR →