Daphne

“To be 'for animals' is not to be 'against humanity.' To require others to treat animals justly, as their rights require, is not to ask for anything more nor less in their case than in the case of any human to whom just treatment is due. The animal rights movement is a part of, not opposed to, the human rights movement. Attempts to dismiss it as anti human are mere rhetoric.”
― Tom Regan, Case for Animal Rights

“To a man whose mind is free there is something even more intolerable in the sufferings of animals than in the sufferings of man. For with the latter it is at least admitted that suffering is evil and that the man who causes it is a criminal. But thousands of animals are uselessly butchered every day without a shadow of remorse. If any man were to refer to it, he would be thought ridiculous. And that is the unpardonable crime.”
― Romain Rolland

“What other agents then are there, which, at the same time that they are under the influence of man's direction, are susceptible of happiness? They are of two sorts: (1) Other human beings who are styled persons. (2) Other animals, which, on account of their interests having been neglected by the insensibility of the ancient jurists, stand degraded into the class of things... But is there any reason why we should be suffered to torment them? Not any that I can see. Are there any why we should not be suffered to torment them? Yes, several. The day has been, I grieve to say in many places it is not yet past, in which the greater part of the species, under the denomination of slaves, have been treated by the law exactly upon the same footing as, in England for example, the inferior races of animals are still. The day may come, when the rest of the animal creation may acquire those rights which never could have been withholden from them but by the hand of tyranny. The French have already discovered that the blackness of the skin is no reason why a human being should be abandoned without redress to the caprice of a tormentor. It may come one day to be recognized, that the number of the legs, the villosity of the skin, or the termination of the os sacrum, are reasons equally insufficient for abandoning a sensitive being to the same fate. What else is it that should trace the insuperable line? Is it the faculty of reason, or, perhaps, the faculty of discourse? But a full-grown horse or dog is beyond comparison a more rational, as well as a more conversable animal, than an infant of a day, or a week, or even a month, old. But suppose the case were otherwise, what would it avail? the question is not, Can they reason? nor, Can they talk? but, Can they suffer? Why should the law refuse its protection to any sensitive being? The time will come when humanity will extend its mantle over everything which breathes.”
― Jeremy Bentham, The Principles of Morals and Legislation

“If you want to test cosmetics, why do it on some poor animal who hasn't done anything? They should use prisoners who have been convicted of murder or rape instead. So, rather than seeing if perfume irritates a bunny rabbit's eyes, they should throw it in Charles Manson's eyes and ask him if it hurts.”
― Ellen DeGeneres, My Point... And I Do Have One