“ What a man wants to do, in talking with a stranger, is to get and to give as much of the best and most real life that belongs to the two talkers as the time will let him. Life is short, and conversation apt to run to mere words. ”
 Oliver Wendell Holmes Sr., The Professor at the Breakfast-Table (1860). copy citation

add

“One who means to talk with entire sincerity,—I said,—always feels himself in danger of two things, namely,—an affectation of bluntness, like that of which Cornwall accuses Kent in “Lear,” and actual rudeness. What a man wants to do, in talking with a stranger, is to get and to give as much of the best and most real life that belongs to the two talkers as the time will let him. Life is short, and conversation apt to run to mere words. Mr. Hue I think it is, who tells us some very good stories about the way in which two Chinese gentlemen contrive to keep up a long talk without saying a word which has any meaning in it. Something like this is occasionally heard on this side of the Great Wall.” source