Over the exit of the Arrakeen landing field crudely carved as though a poor instrument, there was an inscription that Muad’Dib was to repeat many times. He saw it that first night on Arrakis, having been brought to the ducal command post to participate in his father’s first full staff conference. The words on the inscription were a plea to those leaving Arrakis, but they fell with dark import on the eyes of a boy who had just escaped a close brush with death. They said: “O you you know what we suffer here, do not forget us in your prayers.”

-From “Manual of Muad’Dib” by the Princess Irulan