1154Chapter XII.—The True Gnostic is Beneficent, Continent, and Despises Worldly Things. 1162Chapter XIII.—Description of the Gnostic Continued. 1164Chapter XIV.—Description of the Gnostic Furnished by an Exposition of 1 Cor. vi. 1, Etc. 1168Chapter XV.—The Objection to Join the Church on Account of the Diversity of Heresies Answered. 1171Chapter XVI.—Scripture the Criterion by Which Truth and Heresy are Distinguished. 1179Chapter XVII.—The Tradition of the Church Prior to that of the Heresies. 1181Chapter XVIII—The Distinction Between Clean and Unclean Animals in the Law Symbolical of the Distinction Between the Church, and Jews, and Heretics. 1183Elucidations 1185Book VIII 1186Chapter I.—The Object of Philosophical and Theological Inquiry—The Discovery of Truth. 1187Chapter II.—The Necessity of Perspicuous Definition. 1188Chapter III.—Demonstration Defined. 1191Chapter IV.—To Prevent Ambiguity, We Must Begin with Clear Definition. 1195Chapter V.—Application of Demonstration to Sceptical Suspense of Judgment. 1196Chapter VI.—Definitions, Genera, and Species. 1199Chapter VII.—On the Causes of Doubt or Assent. 1200Chapter VIII.—The Method of Classifying Things and Names. 1202Chapter IX.—On the Different Kinds of Cause. 1207Elucidations 1208Fragments of Clemens Alexandrinus 1238Who is the Rich Man that shall be saved? 1263Elucidations 1266Subject Indexes 1267Hermas 1274Tatian 1279Theophilus. 1284Athenagoras xviii