And his work is a reminder that, however beautiful, with their ships and dragons, those old maps were tools of empire and capital. Science is how capitalism knows the world, a friend remarks to me, and the distinctions and details these maps marked out were first of all for merchants and military expeditions. What was marked “Terra Incognita” was also what remained unvanquished. Painting the world blue made it all terra incognita, indivisible and unconquerable, a ferocious act of mysticism.