Then, as his planet killed him, it occurred to Kynes that his father and all the other scientists were wrong, that the most persistent principles of the universe were accident and error.

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.

I don't think you should wait. I think you should speak now.

If death shows up before my last breathe, I swear I'll kill death.

This liberal progressive agenda... is the antithesis of who we are as a constitutional republic.

I want to remind everyone what we're fighting for and who we are fighting for.

You can't say the negro left the Republican party; the negro feels he was evicted from the Republican party.

Life offers you a thousand chances... all you have to do is take one.

A man's diary is a record in youth of his sentiments, in middle age of his actions, in old age of his reflections.

Heart and humor and humility, he said will lighten up your heavy load.

He doesn't know the meaning of the word fear. Of course, there are lots of other words he doesn't know either.

I don't think that anybody in any war thinks of themselves as a hero. The minute anybody presumes that they are heroes, they get their boots taken away from them and buried in the sand.