Authors:

Perhaps the habit which distinguishes civilized people from others is that of discussion, exchange of opinion and ideas, the ability to differ without quarrelling, to say what you have to say civilly and then to listen civilly to another speaker.

Katherine Anne Porter, Isabel Bayley (1994). “Letters of Katherine Anne Porter”, p.205, Atlantic Monthly Press
Perhaps the habit which distinguishes civilized people from others is that of discussion, exchange of opinion and ideas, the ability to differ without quarrelling, to say what you have to say civilly and then to listen