First there was the sky, high, pure and of a darker blue than he had ever seen. And then there was the sea, a lighter, immensely luminous blue that reflected blue into the air, the shadows and the sails; a sea that stretched away immeasurably when the surge raised the frigate high, showing an orderly array of great crests, each three furlongs from its predecessor, and all sweeping eastwards in an even, majestic procession.