As to the evil which results from censorship, it is impossible to measure it, because it is impossible to tell where it ends.

The principle of asceticism never was, nor ever can be, consistently pursued by any living creature. Let but one tenth part of the inhabitants of the earth pursue it consistently, and in a day's time they will have turned it into a Hell.

I don't care whether animals are capable of thinking; all I care about is that they are capable of suffering!

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.

How 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.

Nature has placed mankind under the government of two sovereign masters, pain and pleasure.

All government is a trust. Every branch of government is a trust, and immemorially acknowledged to be so.