By spirit I mean to say something about the prevailing mood of the time. Human spirit is the ability to face the uncertainty of the future with curiosity and optimism. It is the belief that problems can be solved, differences resolved. It is a type of confidence. And it is fragile. It can be blackened by fear, and superstition. By the year 2050, when the conflict began, the world had fallen upon fearful, superstitious times.