Born and educated in Ireland, the eighteenth-century philosopher George Berkeley developed an influential school of thought that later came to be described as “subjective idealism.” In A Treatise Concerning the Principles of Human Knowledge, Berkeley lays out the basic principles of his theory. As part of our mission to publish great works of literary fiction and nonfiction, Sheba Blake Publishing Corp. is extremely dedicated to bringing to the forefront the amazing works of long dead and truly talented authors.