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

Educational bureaucracies dull a child's questing sensitivity. The young must be dampened down. Never let them know how good they can be. That brings change. Spend lots of committee time talking about how to deal with exceptional students. Don't spend any time dealing with how the conventional teacher feels threatened by emerging talents and squelches them because of a deep-seated desire to feel superior and safe in a safe environment.

I give you the chameleon, whose ability to blend itself into the background tells you all you need to know about the roots of ecology and the foundations of a personal identity

Whether a thought is spoken or not it is a real thing and has powers of reality.

To determine if you're human. Be silent.

Most deadly errors arise from obsolete assumptions.

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.