An intellectual ... lives for ideas-which means that he has a sense of dedication to the life of the mind which is very much like a religious commitment. This is not surprising, for in a very important way the role of the intellectual is inherited from the office of the cleric: it implies a special sense of the ultimate value in existence of the act of comprehension. Socrates, when he said that the unexamined life is not worth living, struck the essence of it. We can hear the voices of various intellectuals in history repeating their awareness of this feeling, in accents suitable to time, place and culture. "The proper function of the human race, taken in the aggregate,” wrote Dante in De Monarchia, "is to actualize continually the entire capacity possible to the intellect, primarily in speculation, then through its extension and for its sake, secondarily in action.”.