[TravisJamison]

Antifragile - To help keep civilization from needing to rebuild itself a 3rd time. http://www.amazon.com/Antifragile-Things-That-Disorder-Incer...

[iwwr]

What were the first two times?

[ajcarpy2005]

He's saying it hypothetically:present time of 1 time, after proposed catastrophe and civilization collapse, this is second time. Antifragile is intended to prevent breakdown of the second build up. So that a third rebuild is not necessary.

[bergie]

I guess bronze age collapse, and the fall of Rome