"It was a chilling signal to surviving Bene Gesserit: 'You may be next!'
How could any human society be anesthetized to such brutality? Odrade wondered. She visualized the news with breakfast at some Honored Matre base: 'We've destroyed another Bene Gesserit planet. Ten billion dead, they say. That makes six planets this month, doesn't it? Pass the cream, will you, dear?'" pg. 38.

"'She knows we watch.'
The comeyes showed Murbella defying post-coital fatigue to leap from bed. Moving with blurred speed (much faster than anything the Bene Gesserit had ever achieved), she kicked out with her right foot, stopping the blow only a hair's breadth from Idaho's head.
At her first movement, Idaho opened his eyes. He watched without fear, without flinching.
That blow! Fatal if it struck. You had only to see such a thing once to fear it. Murbella moved with no resort...