Dune (Dune #1)

by Frank Herbert

A world is supported by four things….” She held up four big-knuckled fingers. “…the learning of the wise, the justice of the great, the prayers of the righteous and the valor of the brave. But all of these are as nothing….” She closed her fingers into a fist. “…without a ruler who knows the art of ruling. Make that the science of your tradition!”

“If wishes were fishes we’d all cast nets,” he murmured. It was his mother’s expression and he always used it when he felt the blackness of tomorrow on him. Then he thought what an odd expression that was to be taking to a planet that had never known seas or fishes.