You have read that Muad'Dib had no playmates his own age on Caladan. The dangers were too great. But Muad'Dib did have wonderful companion-teachers. There was Gurney Halleck, the troubadour-warrior. You will sing some of Gurney's songs, as you read along in this book. There was Thufir Hawat, the old Mentat Master of Assassins, who struck fear even into the heart of the Padishah Emperor. There were Duncan Idaho, the Swordmaster of the Ginaz; Dr. Wellington Yueh, a name black in treachery but bright in knowledge; the Lady Jessica, who guided her son in the Bene Gesserit Way, and -- of course -- the Duke Leto, whose qualities as a father have long been overlooked.
"Yueh! Yueh! Yueh!" goes the refrain. "A million deaths were not enough for Yueh!"
At the age of fifteen, he had already learned silence.