This is a quote from the book "Animal Farm" by George Orwell
... building were at hand. But the problem the animals could not at first solve was how to break up the stone into pieces of suitable size. There seemed no way of doing this except with picks and crowbar
s, which no animal could use, because no animal could stand on his hind legs. Only after weeks of vain effort did the right idea occur to somebody-namely, to utilise the force of gravity. Huge boulder
s, far too big to be used as they were, were lying all over the bed of the quarry. The animals lashed ropes round these, and then all together, cows, horses, sheep, any animal that could lay hold of t...
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