Imagine that you enter a parlor.  . . . When you arrive, others have long preceded you, and they are engaged in a heated discussion, a discussion too heated for them to pause and tell you exactly what it is about.  . . . You listen for a while, until you decide that you have caught the tenor of the argument; then you put in your oar. Someone answers; you answer [them]; another comes to your defense . . . . However, the discussion is interminable. The hour grows late, you must depart. And you do depart, with the discussion still vigorously in progress.

Philosophy of Literary Form pp. 110-11