“...Mrs. Conklin points out certain bad conversational habits and suggests good ones, quoting Buckle's classic classification of talkers into three orders of intelligence - those who talk about nothing but persons, those who talk about things and those who discuss ideas... (review of Mary Greer Conklin's book Conversation: What to say and how to say it in The Continent, Jan. 23, 1913, p. 118)”

Source: Wikiquote