122. What knowledge it can afford, according to Locke.

123. Not the knowledge which is now supposed to be got by induction. Yet more than Locke was entitled to suppose it could give.

124. With Locke mathematical truths, though ideal, true also of nature.

125. Two lines of thought in Locke, between which a follower would have to choose.

126. Transition to doctrine of God and the soul.

127. Thinking substance—source of the same ideas as outer substance.

128. Of which substance is perception the effect?

129. That which is the source of substantiation cannot be itself a substance.

130. To get rid of the inner source of ideas in favour of the outer would be false to Locke.

131. The mind, which Locke opposes to matter, perpetually shifting.