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WILLIAM BLAKE heraldry. His lambs are of unsullied silver, his lions are of flaming gold. His lion may lie down with his lamb, but he will never really mix with him.

Really to make this point clear one would have to go back to the twelfth century, or perhaps to Plato. Metaphysics must be avoided; they are too exciting. But the root of the matter can be pretty well made plain by one word. The whole difference is between the old meaning and the new meaning of the word "Realist." In modern fiction and science a Realist means a man who begins at the outside of a thing: sometimes merely at the end of a thing, knowing the monkey only by its tail or the motor by its smell. In the twelfth century a Realist meant exactly the opposite; it meant a man who began at the inside of a thing. The mediæval philosopher would only have been interested in a motor because it moved. He would have been interested (that is) only in the central and original idea of a motor—in its ultimate motorishness. He would have been concerned with a monkey only because of its monkeyhood; not because it was like man but because it was 136