How the Church Has Changed the World

5 A Universe in a Grain A man sits hunched over a long oak table, his eyes peering at a flat square of stretched and treated sheepskin before him. Scattered over the table are small pots of colors, the whites of eggs, and some glue rendered from the bones of fish. There are also quills of all sizes, and reeds, some sharpened to an almost invisible point. And herbs, berries, petals, stones crushed to powder, tiny flakes of gold and silver, and the oily soot from lamps—lampblack. “Master,” says a boy coming into the room, “the tide is out and the merchant is on his way. He says to tell you that the mountains have given up their jewels. What does he mean?” Only at low tide can a man cross on foot from the coast to the holy island. “Ah, that is good news, good news indeed!” cries the artist, looking up from his work and smiling. He is speckled with colors upon his fingers and wrists and even his face, and though most of it he can wash away at nightfall, he will take a little of it happily to the grave with him. “It means that the lapis has come from India. Now will my Virgin wear her finest blue.”

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