> once we lose that kind of memory, there's little to prevent us from going fullcicle and doing everything again... We have a few things they didn't have back

> once we lose that kind of memory, there's little to prevent us from going fullcicle and doing everything again... We have a few things they didn't have back in the 1800s: easy access to paper and other means of recording. We have, for example, Patton writing a letter to his wife regretting his role in WWII. We have the red cross's thorough paperwork on their examination of the German work camps. 1st person accounts of events will endure. It won't prevent things from going full circle, though.