More quotes by Frank Herbert, Dune

"Whether a thought is spoken or not it is a real thing and it has power,"Tuek said. "You might find the line between life and death among the Fremen to be too sharp and quick."
"There is no escape—we pay for the violence of our ancestors."
"Highly organized research is guaranteed to produce nothing new."
"Religion must remain an outlet for people who say to themselves, 'I am not the kind of person I want to be.' It must never sink into an assemblage of the self-satisfied."
"A stone is heavy and the sand is weighty; but a fool's wrath is heavier than them both."