The Wise Man's Fear (The Kingkiller Chronicle, Book 2)

But need alone is not enough to set power free: there must be knowledge.

“Doing things he finds very important. I would fault him for it, as I find nothing more frightening than a man trying to do what he has decided is important. Very little in the world has ever gone astray—at least on a grand scale—because a person decided to be frivolous.”

There are no foolish oaths. All are the mark of men and true spren over beasts and subspren. The mark of intelligence, free will, and choice.

“Idiot girl!” Jasnah repeated. “You have no idea how dangerous that was. Visiting Shadesmar with only a single dim sphere? Idiot!”