The complete title of the Principles is A Treatise Concerning the Principles of Human Knowledge. Wherein the chief causes of error and difficulty in the Sciences, with the grounds of Scepticism, Atheism, and Irreligion, are Inquired into. The complete title of the Dialogues is Three Dialogues between Hylas and Philonous. The design of which is plainly to demonstrate the reality and perfection of human knowledge, the incorporeal nature of the soul, and the immediate providence of a Deity: in opposition to (...) Sceptics and Atheists. Also to open a method for rendering the Sciences more easy, useful, and compendious. The introductions to each work, as well as various remarks in the Philosophical Commentaries, explain at greater length the author's intention of refuting the sceptics and atheists. In the initial section of the introduction to the Principles, Berkeley had said that the attempt to understand the nature of things had led men into all sorts of "uncouth paradoxes, difficulties, and inconsistencies,... till at length, having wander'd through many intricate mazes, we find ourselves just where we were, or, which is worse, sit down in a forlorn scepticism." And a few sections later, Berkeley stated that his intention was to discover the sources of the absurdities and contradictions that have entered philosophy, and to eliminate them. (shrink)