Three Dialogues Between Hylas and PhilonousGeorge BerkeleyRead freeAppears in 3 ideasMetaphysicsMatterWhat is matter, the stuff of the physical world, and how does it relate to form, mind, and change?EpistemologyIdeaWhat is an idea, and how does it relate to the things we claim to know?SenseWhat do the senses contribute to knowledge, and where do they fall short?