Work · John Locke

An Essay concerning Human Understanding

Locke investigates the origin, limits and scope of ideas and knowledge. Rejecting principles inscribed in the mind from birth, he examines sensation, reflection, language and judgment.

01 / Context & transmission

Understanding the text

Published late in 1689 with a 1690 date, the Essay was revised in successive editions. It addresses debates about innate ideas and certainty without reducing all knowledge to isolated sensation.

02 / Key points

Key points

  1. 01

    Experience

    Ideas arise from sensation and reflection on the operations of our minds.

  2. 02

    Language

    Words can obscure inquiry when uncertain usages are treated as established things.

  3. 03

    Limits

    Knowledge requires relations between ideas; many judgments rest only on probability.

03 / Explore the ideas in depth

Explore the ideas in depth

From experience to ideas

Read the Essay by distinguishing sensation, reflection and limits of knowledge.

Experience

Ideas arise from sensation and reflection on the operations of our minds. Locate the passage in its historical context and distinguish Locke’s claim from your contemporary examples.

Language

Words can obscure inquiry when uncertain usages are treated as established things. Compare the argument with an objection and examine which assumptions remain implicit.

Limits

Knowledge requires relations between ideas; many judgments rest only on probability. Specify limits and affected people before generalizing the text’s conclusion.

Questions to carry into your reading

  • How does an impression differ from a complex idea?
  • What can be asserted without complete certainty?

Distinguish simple from complex ideas, then compare demonstrated knowledge with probable opinion.

Read with a guide
04 / How to read it

How to read it

Distinguish simple from complex ideas, then compare demonstrated knowledge with probable opinion.

05 / Editions & sources

Editions & sources

Summaries and key points are original editorial interpretations. They accompany reading the work and do not replace an edition of the text. Editorial method ↗

Continue exploring the texts
1689 / 1690

Two Treatises of Government

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