There is probably no more terrible instant of enlightenment than the one in which you discover your father is a man - with human flesh.

Caution is the path to mediocrity.

We Bene Gesserit sift people to find the humans.

The problem of leadership is inevitably: Who will play God?" Muad'Dib

There is only one true wealth in all the universe. I have given you some of it. I have given your father and your mate some of it. And your friends. This wealth is living time.

When you imagine mistakes, there can be no self-defense.

Empires do not suffer emptiness of purpose at the time of their creation. It is when they have become established that aims are lost and replaced by vague ritual.