"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."
"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."
"I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when it has gone past I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain."
"There is no escape—we pay for the violence of our ancestors."
"Highly organized research is guaranteed to produce nothing new."