What is important for a leader is that which makes him a leader. It is the needs of his people.

Many things we do naturally become difficult only when we try to make them intellectual subjects. It is possible to know so much about a subject that you become totally ignorant.

Men always fear things which move by themselves.

Do actions agree with words? There's your measure of reliability. Never confine yourself to the words.

the sleeper must awaken.

Greatness is a transitory experience. It is never consistent. It depends in part upon the myth-making imagination of humankind. The person who experiences greatness must have a feeling for the myth he or she is in. That person must reflect what is projected upon him or her.

The Fremen were supreme in that quality the ancients called "spannungsbogen" -- which is the self-imposed delay between desire for a thing and the act of reaching out to grasp that thing.