"I only believe in certain kinds of hell," she said, and again she was looking at him, the green eyes steady… — Frank Herbert

It wasn’t the kind of answer he'd expected — too subtly penetrating and leaving too much uncommitted. He reminded himself that it was difficult to control uncommitted people. Once a man had invested his energies, he could be twisted and turned at will... but if the man held back, conserved those energies...

"A slave is one who must produce wealth for another," the Brain said. "There is only one true wealth in all the universe. I have given you some of it. I have given your father and your mate some of it. And your friends. This wealth is living time. Time. Are we slaves because we have given you more time to live?"

Without coming fully awake, Rhin felt his presence beside her, experienced a primitive demand for his protective masculinity. She nestled against him, murmured, "its so hot. Doesn’t it ever cool off?"