A civilized society must count animals as worthy of moral consideration and ethical treatment. The question is not, Can they reason? nor Can they talk? but, Can they suffer?
Jeremy BenthamHow is property given? By restraining liberty; that is, by taking it away so far as necessary for the purpose. How is your house made yours? By debarring every one else from the liberty of entering it without your leave.
Jeremy BenthamWhat is it that should trace the insuperable line? ...The question is not, Can they reason? nor Can they talk? but, Can they suffer?
Jeremy BenthamNature has placed mankind under the government of two sovereign masters, pain and pleasure... they govern us in all we do, in all we say, in all we think: every effort we can make to throw off our subjection, will serve but to demonstrate and confirm it.
Jeremy Bentham