This is a quote from the book "Animal Farm" by George Orwell
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“He is dead,” said Boxer sorrowfully. “I had no intention of doing that. I forgot that I was wearing iron shoes. Who will believe that I did not do this on purpose?”

“No sentimentality, comrade!” cried Snowball from whose wounds the blood was still dripping. “War is war. The only good human being is a dead one.”

“I have no wish to take life, not even human life,” repeated Boxer, and his eyes were full of tears.

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