Full Idea
The sceptical method can point to the dialectic as an example of the great utility of letting the arguments of reason confront one another in the most complete freedom
Gist of Idea
The free dialectic opposition of arguments is an invaluable part of the sceptical method
Source
Immanuel Kant (Critique of Pure Reason [1781], B535/A507)
Book Reference
Kant,Immanuel: 'Critique of Pure Reason', ed/tr. Guyer,P /Wood,A W [CUO 1998], p.519
A Reaction
An interesting link, between dialectic and the sceptical method. I would say it runs deeper, and that scepticism and the free opposition of arguments are both basic to the whole notion of reason. Reason requires freedom (though not free will).