CHAPTER XV

, section 60. The reader will find Descartes's path traced

in the "Meditations." In I, we have his sweeping doubt; in II, his doctrine as to the mind; in III, the existence of God is established; in VI, he gets around to the existence of the external world. We find a good deal of the "natural light" in the first part of his "Principles of Philosophy."

Section 61. We have an excellent illustration of Locke's inconsistency in violating his own principles and going beyond experience, in his treatment of "Substance." Read, in his "Essay," Book I, Chapter IV , section 18, and Book II,