Answer:
1: "'I have no wish to take life, not even human life,' repeated Boxer, and his eyes were full of tears."
- George Orwell, Animal Farm, Ch. 4
2: "The human beings did not hate Animal Farm any less now that it was prospering; indeed, they hated it more than ever."
- George Orwell, Animal Farm, Ch. 6
3: "If she herself had had any picture of the future, it had been of a society of animals set free from hunger and the whip, all equal, each working according to his capacity, the strong protecting the weak."
- George Orwell, Animal Farm, Ch. 7
4: "Besides, in those days they had been slaves and now they were free, and that made all the difference, as Squealer did not fail to point out."
- George Orwell, Animal Farm, Ch. 9
5: "The animals were happy as they had never conceived it possible to be. Every mouthful of food was an acute positive pleasure, now that it was truly their own food, produced by themselves and for themselves, not doled out to them by a grudging master."
- George Orwell, Animal Farm, Ch. 3