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An essay concerning human understanding

  
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To The Right Honourable Lord Thomas,
  
Epistle to the Reader

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Introduction An Essay Concerning Human Understanding
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Book I Neither Principles Nor Ideas Are Innate
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Book II Of Ideas
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Book III Of Words
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Book IV Of Knowledge and Probability
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Chapter I Of Knowledge in General
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Chapter II Of the Degrees of our Knowledge
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Chapter III Of the Extent of Human Knowledge
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Chapter IV Of the Reality of Knowledge
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Chapter V Of Truth in General
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Chapter VI Of Universal Propositions: their Truth and Certainty
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Chapter VII Of Maxims
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Chapter VIII Of Trifling Propositions
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Chapter IX Of our Threefold Knowledge of Existence
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Chapter X Of our Knowledge of the Existence of a God
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Chapter XI Of our Knowledge of the Existence of Other Things
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Chapter XII Of the Improvement of our Knowledge
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Chapter XIII Some Further Considerations Concerning our Knowledge
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Chapter XIV Of Judgment
  
1. Our knowledge being short, we want something else.
  
2. What use to be made of this twilight state.
  
3. Judgment, or assent to probability, supplies our want of knowledge.
  
4. Judgement is the presuming things to be so, without perceiving it.
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Chapter XV Of Probability
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Chapter XVI Of the Degrees of Assent
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Chapter XVII Of Reason
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Chapter XVIII Of Faith and Reason, and their Distinct Provinces
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Chapter XIX Of Enthusiasm
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Chapter XX Of Wrong Assent, or Error
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Chapter XXI Of the Division of the Sciences

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previous sectionChapter VIII Some further considerations concerning our Simple Ideas of Sensation An essay concerning human understanding
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14. They depend on the primary qualities.

What I have said concerning colours and smells may be understood also of tastes and sounds, and other the like sensible qualities; which, whatever reality we by mistake attribute to them, are in truth nothing in the objects themselves, but powers to produce various sensations in us; and depend on those primary qualities, viz., bulk, figure, texture, and motion of parts as I have said.

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