The opening two paragraphs of William James' last book, Some Problems of Philosophy are presented below. "The progress of society is due to the fact that individuals vary from the human average in all sorts of directions, and that the originality is often so attractive or useful that they are recognized by their tribe as leaders, and become objects of envy or admiration, and setters of new ideals. "Among the variations, every generation of men produces some individuals exceptionally preoccupied with theory. Such men find matter for puzzle or astonishment where no one else does. Their imagination invents explanations and combines them. They store up the learning of their time, utter prophecies and warnings, and are regarded as sages. Philosophy, etymologically meaning the love of wisdom, is the work of this class of minds, regarded with an indulgent relish, if not with admiration, even, even by those who do not understand them or believe much in the truth which they...