Fifteen lectures by Bertrand Russell on his own philosophy based on influences as he perceived them. Lecture 1. Recent Criticisms of "Consciousness" Lecture 2. Instinct And Habit Lecture 3. Desire And Feeling Lecture 4. Influence Of Past History On Present Occurrences In Living Organisms Lecture 5. Psychological And Physical Causal Laws Lecture 6. Introspection Lecture 7. The Definition Of Perception Lecture 8. Sensations And Images Lecture 9. Memory Lecture 10. Words And Meaning Lecture 11. General Ideas And Thought Lecture 12. Belief Lecture 13. Truth And Falsehood Lecture 14. Emotions And Will Lecture 15. Characteristics Of Mental Phenomena