Library · An Essay Concerning Human Understanding

Book II: Of Ideas

John Locke

Start reading Book II: Of Ideas

  1. Chapter I: Of Ideas in General, and their Original
  2. Chapter II: Of Simple Ideas
  3. Chapter III: Of Simple Ideas of Sense
  4. Chapter IV: Idea of Solidity
  5. Chapter V: Of Simple Ideas of Divers Senses
  6. Chapter VI: Of Simple Ideas of Reflection
  7. Chapter VII: Of Simple Ideas of Both Sensation and Reflection
  8. Chapter VIII: Some Further Considerations Concerning our Simple Ideas of Sensation
  9. Chapter IX: Of Perception
  10. Chapter X: Of Retention
  11. Chapter XI: Of Discerning, and Other Operations of the Mind
  12. Chapter XII: Of Complex Ideas
  13. Chapter XIII: Complex Ideas of Simple Modes:—and First, of the Simple Modes of Idea of Space
  14. Chapter XIV: Idea of Duration and its Simple Modes
  15. Chapter XV: Ideas of Duration and Expansion, Considered Together
  16. Chapter XVI: Idea of Number
  17. Chapter XVII: Of Infinity
  18. Chapter XVIII: Other Simple Modes
  19. Chapter XIX: Of the Modes of Thinking
  20. Chapter XX: Of Modes of Pleasure and Pain
  21. Chapter XXI: Of Power
  22. Chapter XXII: Of Mixed Modes
  23. Chapter XXIII: Of our Complex Ideas of Substances
  24. Chapter XXIV: Of Collective Ideas of Substances
  25. Chapter XXV: Of Relation
  26. Chapter XXVI: Of Cause and Effect, and Other Relations
  27. Chapter XXVII: Of Identity and Diversity
  28. Chapter XXVIII: Of Other Relations
  29. Chapter XXIX: Of Clear and Obscure, Distinct and Confused Ideas
  30. Chapter XXX: Of Real and Fantastical Ideas
  31. Chapter XXXI: Of Adequate and Inadequate Ideas
  32. Chapter XXXII: Of True and False Ideas
  33. Chapter XXXIII: Of the Association of Ideas