Historically, if you look at great civilizations, why do they crumble? Is it because of what's outside or because of something internal? It's always internal. It is.
![Historically, if you look at great civilizations, why do they crumble? Is it because of what's outside or because of something internal? It's always internal. It is.](http://cdn.myquotes.org/images/phylicia-rashad/historically-if-you-look-at-great-civilizations-why-do-they-crumble-is-it-because-of-whats-outside-or-because-of.jpg)
Historically, if you look at great civilizations, why do they crumble? Is it because of what's outside or because of something internal? It's always internal. It is.