We are generalists. You can't draw neat lines around planet-wide problems. Planetology is a cut-and-fit science.

You aren't thinking or really existing unless you're willing to risk even your own sanity in the judgement of your existence.

Most of us choose our companions and surroundings to reflect ourselves.

Leto turned a hard stare at Kynes. And Kynes, returning the stare, found himself troubled by a fact he had observed here: This Duke was concerned more over the men than he was over the spice. He risked his own life, and that of his son to save the men. He passed off the loss of a spice crawler with a gesture. The threat to men's lives had him in a rage. A leader such as that would command fanatic loyalty. He would be difficult to defeat. Against his own will and all previous judgements, Kynes admitted to himself: I like this Duke.

Humans live best when each has his place, when each knows where he belongs in the scheme of things. Destroy the place and destroy the person.

Most believe that a satisfactory future requires a return to an idealized past, a past which never in fact existed.

The universe does not work by our rules