the sleeper must awaken.

When you think to take determination of your fate into your own hands, that is the moment you can be crushed. Be cautious.

And always, he fought the temptation to choose a clear, safe course, warning 'That path leads ever down into stagnation.

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

The truth always carries the ambiguity of the words used to express it.

Many have marked the speed with which Muad'Dib learned the necessities of Arrakis. The Bene Gesserit, of course, know the basis of this speed. For the others, we can say that Muad'Dib learned rapidly because his first training was in how to learn. And the first lesson of all was the basic trust that he could learn. It is shocking to find how many people do not believe they can learn, and how many more believe learning to be difficult. Muad'Dib knew that every experience carries its lesson.

I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when it has gone past I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain.