This is a quote from the book "Animal Farm" by George Orwell
...

“Impossible!” cried Napoleon. “We have built the walls far too thick for that. They could not knock it down in a week. Courage, comrades!”

But Benjamin was watching the movements of the men intently. The two with the hammer and the crowbar were drilling a hole near the base of the windmill. Slowly, and with an air almost of amusement, Benjamin nodded his long muzzle.

...
read full book block explorer