To endure oneself may be the hardest task in the universe. You cannot hire a wise man or any other intellect to solve it for you. There's no writ of inquest or calling of witness to provide answers.
The problem of leadership is inevitably: Who will play God?" Muad'Dib
The universe does not work by our rules
The most terrifying things in the universe came from human minds.
He who controls the spice controls the universe.
That path leads ever down into stagnation.