He reminds us that ‘the mind evolved in the sea. All the early stages took place in water: the origin of life; the birth of animals, the evolution of nervous systems and brains, and the appearance of the complex bodies that makes brains worth having . . . When animals did crawl onto dry land, they took the sea with them. All the basic activities of life occur in water-filled cells bounded by membranes, tiny containers whose insides are remnants of the sea.’ In other words, the sea is inside us.
