Though very well known and appreciated in the shipping world, he had no regular employment. He did not want it. He had his own peculiar position. He was an expert. An expert in—how shall I say it?—in intricate navigation. He was supposed to know more about remote and imperfectly charted parts of the Archipelago than any man living. His brain must have been a perfect warehouse of reefs, positions, bearings, images of headlands, shapes of obscure coasts, aspects of innumerable islands, desert and otherwise.
Joseph Conrad, The Shadow-Line, 1917.