An Essay Concerning Human Understanding

Main ideas

• Knowledge traced to experience rather than innate ideas.
• The limits of human understanding mapped deliberately.

Important themes

Reading context

Published in 1689 after twenty years of work, arguing that the mind begins without innate principles and that knowledge is assembled from experience. It set the terms for a century of argument about what the mind can reach.

How to approach it

Book 2 is the heart of it, and Book 3 on language repays the effort. Book 1, attacking innate ideas, is the most dated part and can be skimmed.