Democracy means government by discussion, but it is only effective if you can stop people talking.

-1st Earl
  Speech, Oxford,14  Jun.

   All I wanted was compliance with my wishes after reasonable discussion.

-Churchill, Lord Randolph Henry Spencer
Attributed. Quoted in  A  J P  Taylor From the Boer War to theCold War: Essays on Twentieth-Century Europe (1995).

It is the good fortune of the affluent country that the opportunity cost of economic discussion is low and hence it can afford all kinds.

-Galbraith,John Kenneth
Economics, Peace, and Laughter.

The discussion of any subject is a right that you have brought into the world with your heart and tongue. Resign your heart's blood before you part with this inestimable privilege of man.

-Shelley, Percy Bysshe
  An Address to the Irish People.