We have been so successful in the past century at the art of living longer and staying alive that we have forgotten how to die. Too often we learn the hard way. As soon as the baby boomers pass pensionable age, their lesson will be harsher still.
Terry PratchettThe three rules of the Librarians of Time and Space are: 1) Silence; 2) Books must be returned by no later than the date shown; and 3) Do not interfere with the nature of causality.
Terry Pratchett