Physically there is nothing to distinguish human society from the farm-yard except that children are more troublesome and costly than chickens and calves and that men and women are not so completely enslaved as farm stock.
Source: Getting Married, The Personal Sentimental Basis of Monogamy, Preface (1908).
-- George Bernard Shaw, (Jul 26 1856-1950), Irish dramatist, critic; He is generally recognized as the best dramatist since Shakespeare; promoted social reform with drama of ideas.