George Orwell

Man is the only creature that consumes without producing. He does not give milk, he does not lay eggs, he is too weak to pull the plough, he cannot run fast enough to catch rabbits. Yet he is lord of all the animals. He sets them to work, he gives back to them the bare minimum that will prevent them from starving, and the rest he keeps for himself.

Man serves the interests of no creature except himself.

Man is the only real enemy we have. Remove Man from the scene, and the root cause of hunger and overwork is abolished for ever.

Man is the only creature that consumes without producing. He does not give milk, he does not lay eggs, he is too weak to pull the plough, he cannot run fast enough to catch rabbits. Yet he is lord of all the animals.

We are born, we are given just so much food as will keep the breath in our bodies, and those of us who are capable of it are forced to work to the last atom of our strength; and the very instant that our usefulness has come to an end we are slaughtered with hideous cruelty.

They could not understand, they said, how even animals could bring themselves to sing such contemptible rubbish.

"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.

And yet, against their will, they had developed a certain respect for the efficiency with which the animals were managing their own affairs.

Snowball were some kind of invisible influence, pervading the air about them and menacing them with all kinds of dangers