Pellaeon started as Rukh brushed silently past him; he hadn’t realized the Noghri had followed them down. Thrawn waited until Rukh was standing at his side, then turned back to Colclazure. “Do you know the difference between an error and a mistake, Ensign?”

The entire bridge had gone deathly still. Colclazure swallowed again, his face starting to go pale. “No, sir.”

“Anyone can make an error, Ensign. But that error doesn’t become a mistake until you refuse to correct it.” He raised a finger-

And, almost lazily, pointed.

Pellaeon never even saw Rukh move. Pieterson certainly never had time to scream.

- Hier to the Empire, by Timothy Zahn