more on this theme | more from this thinker | more from this text
Full Idea
Opposition to reason deserves the name of madness.
Gist of Idea
Opposition to reason is mad
Source
John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.33.04)
Book Ref
Locke,John: 'Essay Concerning Human Understanding', ed/tr. Nidditch,P.H. [OUP 1979], p.395
A Reaction
This may just be a tautology, based on the meaning of the word 'madness', but it sounds more like a clarion call for the Englightenment.