Life produces a different taste each time you take it.

Highly organized research is guaranteed to produce nothing new.

Scientists seek the lawfulness of events. It is the task of Religion to fit man into this lawfulness.

Deep in the human unconscious is a pervasive need for a logical universe that makes sense. But the real universe is always one step beyond logic.

How often it is that the angry man rages denial of what his inner self is telling him.

Fear is the mind-killer.

Religion, too, is a weapon. What manner of weapon is religion when it becomes the government?

He who controls the spice controls the universe.

What has mood to do with it? You fight when the necessity arises—no matter the mood! Mood's a thing for cattle or making love or playing the baliset. It's not for fighting.

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.

Proper teaching is recognized with ease. You can know it without fail because it awakens within you that sensation which tells you this is something you have always known.

Never take someone for granted based on your perception and act on it, for that would yield in ultimate disaster!

Yesterday I smiled, tomorrow never came and today is what I'm living.

Life is designed to knock you down. It will knock you down time and time again, but it doesn't matter how many times you fall - it matters how many times you get back up.

I had lived in fear of the fabled terrifying visions that assail chronic drinkers, but which had not yet attacked me.

Ambiguity is necessary in some of my stories, not in all. In those, it certainly contributes to the richness of the story. I doubt that thematic closure is never attainable.

Somebody needs to kill my trial attorney.

As to the deceit perpetrated upon women, let it pass, for, when love is in the way, men and women as a general rule dupe each other.

Just make people better at something they want to be better at.

It takes time to get to the top, and that's good - because by the time you get there, you'll have learned what you need to know in order to stay there.

At any moment solitude may put on the face of loneliness.