more on this theme | more from this thinker | more from this text
Full Idea
Certainty is not in the sense but in the understanding alone, when it has evident perceptions.
Gist of Idea
Understanding, not the senses, gives certainty
Source
René Descartes (Preface to 'Principles of Philosophy' [1647], p.177)
Book Ref
Descartes,René: 'Discourse on Method/The Meditations', ed/tr. Sutcliffe,F.E. [Penguin 1968], p.177