“And remember, the truth that once was spoken: To love another person is to see the face of God.”

“No person can ever know everything that is in the heart of another. We are all Face Dancers in our souls.”

“Think you of the fact that a deaf person cannot hear. Then, what deafness may we not all possess? What senses do we lack that we cannot see and cannot hear another world all around us?”

“My father once told me that respect for truth comes close to being the basis for all morality. 'Something cannot emerge from nothing,' he said. This is profound thinking if you understand how unstable 'the truth' can be.”

“In adverse circumstances, every creature becomes something else, evolving or devolving. What makes us human is that we know what we once were, and, let us hope, we remember how to change back.”

“To love another person is to see the face of God.”

“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.”