Animal Farm: A Fairy Story by George Orwell (Chapter 5)
With his books held open by a stone, and with a piece of chalk gripped between the knuckles of his trotter, he would move rapidly to and fro, drawing in line after line and uttering little whimpers of excitement. Gradually the plans grew into a complied mass of cranks and cogwheels, covering more than half the floor, which the other animals ...