Ghost of a flea

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.
-from "Muad'Dib: Conversations" by the Princess Irulan