"He felt the sensation of the dragon rummaging around in his mind, trying to find a clue to understanding. He half-saw, half-sensed the flicker of random images, of dragons, of the mythical age of reptiles and—and here he felt the dragon's genuine astonishment—of some of the less commendable areas of human history, which were most of it. And after the astonishment came the baffled anger. There was practically nothing the dragon could do to people that they had not, sooner or later, tried on one another, often with enthusiasm."
January 1, 1970
https://en.wikiquote.org/wiki/Guards!_Guards!