No matter how exotic human civilization becomes, no matter the developments of life and society nor the complexity of the machine/human interface, there always come interludes of lonely power when the course of humankind, the very future of humankind, depends upon the relatively simple actions of single individual.

This wise man observed that wealth is a tool of freedom. But the pursuit of wealth is the way to slavery.

Think on it, Chani: the princess will have the name, yet she'll live as less than a concubine - never to know a moment of tenderness from the man to whom she's bound. While we, Chani, we who carry the name of concubine - history will call us wives.

Absolute prediction is completion . . . is death!

Then, as his planet killed him, it occurred to Kynes that his father and all the other scientists were wrong, that the most persistent principles of the universe were accident and error.

Every civilization depends upon the quality of the individuals it produces.

the meeting between ignorance and knowledge, between brutality and culture - it begins in the dignity with which we treat the dead