" What is forever,' I asked. . . . Forever, it appeared, was a word made up by adults so they would not have to think about endings. . . . A friend who is an attorney told me not that long ago that a recent national survey of legal documents shows that 'forever' lasts about thirty years on average. But, if forever can mean until governments fall or lose interest, what does 700 million years mean when the whole history of governments, the very idea of governments, is subsumed into inconsequence by that span of time? "

― Sue Hubbell , Waiting for Aphrodite: Journeys into the Time Before Bones