Full Idea
The chief and most confounding objection to excessive scepticism is that no durable good can ever result from it.
Gist of Idea
The main objection to scepticism is that no good can come of it
Source
David Hume (Enquiry Conc Human Understanding [1748], XII.II.128)
Book Reference
Hume,David: 'Enquiries Conc. Human Understanding, Morals', ed/tr. Selby-Bigge/Nidditch [OUP 1975], p.159