Allen, it puzzles me that a man can shoot thirty-two full-grown men and women before the sheriff’s men gun him down. You’re more his time, maybe you … - Larry Niven

"What have they said to us?"
"I could translate, but it would be meaningless. They have welcomed us in the name of their Emperor, who appears to be an over-Master. The short, round one is Mediator to this Emperor."
"Ah. We have at last found one who can communicate. Speak to her."
"But he has said nothing!"
"Say nothing in return."

"From afar he saw what Speaker was doing, and he called "Hold it! That's not necessary." Speaker had drawn the modified digging tool. He said, "Does it have to be necessary?

I knew it long ago: I’m a compulsive teacher, but I can’t teach. The godawful state of today’s education system isn’t what’s stopping me. I lack at least two of the essential qualifications.
I cannot “suffer fools gladly.” The smartest of my pupils would get all my attention, and the rest would have to fend for themselves. And I can’t handle being interrupted.
Writing is the answer. Whatever I have to teach, my students will select themselves by buying the book. And nobody interrupts a printed page.