It is not what we learn in conversation that enriches us. It is the elation that comes of swift contact with tingling currents of thought. It is the opening of our mental pores, and the stimulus of marshaling our ideas in words, of setting them forth as gallantly and as graciously as we can.
Bio: David Howell Petraeus is a retired American military officer and public official. He served as Director of the Central Intelligence Agency from September 6, 2011, until his resignation on November 9, 2012.
