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: Rudolf Arnheim was a German-born author, art and film theorist, and perceptual psychologist. He learned Gestalt psychology from studying under Max Wertheimer and Wolfgang Köhler at the University of Berlin and applied it to art.