Thou shalt not disfigure the soul.

That which submits rules. ... The willow submits to the wind and prospers until one day it is many willows — a wall against the wind. This is the willow's purpose.

'The spirit of Muad'Dib is more than words, more than the letter of the Law which arises in his name. Muad'Dib must always be that inner outrage against the complacently powerful, against the charlatans and the dogmatic fanatics.'

No more terrible disaster could befall your people than for them to fall into the hands of a Hero.

'Bureaucracy destroys initiative. There is little that bureaucrats hate more than innovation, especially innovation that produces better results than the old routines. Improvements always make those at the top of the heap look inept. Who enjoys appearing inept?'

'Any road followed precisely to its end leads precisely nowhere. Climb the mountain just a little bit to test that it's a mountain. From the top of the mountain, you cannot see the mountain.'

'The Fremen must return to his original faith, to his genius in forming human communities; he must return to the past, where that lesson of survival was learned in the struggle with Arrakis. '

'We do not want our ideas changed. We feel threatened by such demands. 'I already know the important things!' we say.'

Time does not count itself. You have only to look at a circle and this is apparent.

The one-eyed view of our universe says you must not look far afield for problems. Such problems may never arrive.

'Here I am and here I remain'

the proximity of a desirable thing tempts one to overindulgence.

'And always, he fought the temptation to choose a clear, safe course, warning 'That path leads ever down into stagnation.'

Most civilization is based on cowardice. It's so easy to civilize by teaching cowardice. You water down the standards which would lead to bravery. You restrain the will. You regulate the appetites. You fence in the horizons.

What senses do we lack that we cannot see and cannot hear another world all around us?

'When God hath ordained a creature to die in a particular place, He causeth that creature's wants to direct him to that place.'

'Above all else, the mentat must be a generalist, not a specialist. It is wise to have decisions of great moment monitored by generalists. Experts and specialists lead you quickly into chaos. '

All proofs inevitably lead to propositions which have no proof! All things are known because we want to believe in them.

'Instead, tend to the wolf within your fences. The packs ranging outside may not even exist.'

'Humankind periodically goes through a speedup of its affairs, thereby experiencing the race between the renewable vitality of the living and the beckoning vitiation of decadence. '