
“It is the province of knowledge to speak and it is the privilege of wisdom to listen.”
Ch. 10 http://books.google.com/books?id=omwRAAAAYAAJ&q=%22It+is+the+province+of+knowledge+to+speak+and+it+is+the+privilege+of+wisdom+to+listen%22&pg=PA264#v=onepage and The Atlantic Monthly October 1872 http://books.google.com/books?id=psqcIq5UxYkC&q=%22It+is+the+province+of+knowledge+to+speak+and+it+is+the+privilege+of+wisdom+to+listen%22&pg=PA427#v=onepage
The Poet at the Breakfast Table (1872)