A single obscure decision of prophecy, perhaps the choice of one word over another, could change the entire aspect of the future. He tells us "The vision of time is broad, but when you pass through it, time becomes a narrow door.

— Frank Herbert

As long as my Duke remains unmarried some of the Great Houses can still hope for alliance.

— Frank Herbert

At the quantum level our universe can be seen as an indeterminate place, predictable in a statistical way only when you employ large enough numbers. Between that universe and a relatively predictable one where the passage of a single planet can be timed to a picosecond, other forces come into play. For the in-between universe where we find our daily lives, that which you believe is a dominant force. Your beliefs order the unfolding of daily events. If enough of us believe, a new thing can be made to exist. Belief structure creates a filter through which chaos is sifted into order.

— Frank Herbert

Belief can be manipulated. Only knowledge is dangerous.

— Frank Herbert

Black is a blind remembering, she thought. You listen for pack sounds, for the cries of those who hunted your ancestors in a past so ancient only your most primitive cells remember. The ears see. The nostrils see.

— Frank Herbert

Bureaucracy destroys initiative. There is little that bureaucrats hate more than innovation, especially innovation that produces better results than the old routines. Improvements always make those at the top of the heap look inept. Who enjoys appearing inept?

— Frank Herbert

But it's well known that repression makes a religion flourish.

— Frank Herbert

But, later, coming back and reading what I have produced, I am unable to detect the difference between what came easily and when I had to sit down and say, "Well, now it's writing time and now I'll write.

— Frank Herbert

But oh, the perils of leadership in a species so anxious to be told what to do. How little they knew of what they created by their demands. Leaders made mistakes. And those mistakes, amplified by the numbers who followed without questioning, moved inevitably toward great disasters.

— Frank Herbert

But one learns from books and reels only that certain things can be done. Actual learning requires that you do those things.

— Frank Herbert