During the Middle Ages, the Chinese enjoyed a higher standard of living than almost any other contemporary nation. This high standard of living was made possible by their stable civilization, which for the most part had remained unbroken for centuries. While Europe was amid dark times, poverty, war and disease, China was flourishing, producing new art, science, and literary works.
Growing older is not upsetting; being perceived as old is.
Experiments with steam power were carried out by Hiero in Egypt at least eighteen hundred years ago.