In all of my universe I have seen no law of nature, unchanging and inexorable. This universe presents only changing relationships which are somtimes … - Frank Herbert

When we encounter personal problems, those things most deeply personal are the most difficult to bring out for our logic to scan.

Ramsey could contain the question no longer. "What's your definition of sanity, Skipper?" "The ability to swim," said Sparrow...."That means the sane person has to understand currents, has to know what's required in different waters."

How do we approach the study of Muad’Dib’s father? A man of surpassing warmth and surprising coldness was the Duke Leto Atreides. Yet, many facts open the way to this Duke: his abiding love for his Bene Gesserit lady; the dreams he held for his son; the devotion with which men served him. You see him there — a man snared by Destiny, a lonely figure with his light dimmed behind the glory of his son. Still, one must ask: What is the son but an extension of the father?