Capitalism as cancer
It’s been extremely successful; then again, it has to be:
> A capitalist economy, by definition, lives by growth; as Bookchin observes: “For capitalism to desist from its mindless expansion would be for it to commit social suicide.” We have, essentially, chosen cancer as the model of our social system.
[Ursula K. Le Guin](http://motherboard.vice.com/read/ursula-le-guin-future-of-the-left), quoting social ecologist [Murray Bookchin](http://en.wikipedia.org/wiki/Murray_Bookchin)