People want more and more leisure time, which means the freedom to do what they want to do, not what they have to do, and as we get richer and richer, more and more people will be able to afford that.

In most, if not quite all, parts of the world, the size, shape and longevity of the human body have changed more substantially, and much more rapidly, during the past three centuries than over many previous millennia.

In 1890, nearly everyone died on the job, and if they lived long enough not to die on the job, the average age of retirement was 85.

Robert Fogel Quotes