Ultimately, all things are known because you want to believe you know.

If all those around you believe some particular thing, you will soon be tempted to share in that belief.

When I was writing Dune there was no room in my mind for concerns about the book's success or failure. I was concerned only with the writing. Six years of research had preceded the day I sat down to put the story together, and the interweaving of the many plot layers I had planned required a degree of concentration I had never before experienced.

If you rely only on your eyes, your other senses weaken.

If you focus your awareness only upon your own rightness, then you invite the forces of opposition to overwhelm you.

Hope clouds observation.

Peace for any prolonged period of time is impossible. Humans have a natural thirst for chaos and war is the most readily available form of chaos.