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.

The said truth is that it is the greatest happiness of the greatest number that is the measure of right and wrong.

Without publicity, no good is permanent; under the auspices of publicity, no evil can continue.

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 age we live in is a busy age; in which knowledge is rapidly advancing towards perfection.

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

The request of industry to government is as modest as that of Diogenes to Alexander: Get out of my light.