We came from Caladan--a paradise world for our form of life. There existed no need on Caladan to build a physical paradise or a paradise of the mind--we could see the actuality all around us. And the price we paid was the price men have always paid for achieving a paradise in this life--we went soft, we lost our edge.
Attributed to: Paul Atreides
From Chapter 28 of Dune by Herbert, Frank