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.

Priestly was the first (unless it was Becarria) who taught my lips to pronounce this sacred truth--that the greatest happiness of the greatest number is the foundation of morals and legislation.

Natural rights is simple nonsense: natural and imprescriptible rights, rhetorical nonsense—nonsense upon stilts.

Bodies are real entities. Surfaces and lines are but fictitious entities. A surface without depth, a line without thickness, was never seen by any man; no; nor can any conception be seriously formed of its existence.

Create all the happiness you are able to create; remove all the misery you are able to remove.

Those physical difficulties which you cannot account for, be very slow to arraign; for he that would be wiser than Nature would be wiser than God.

It is vain to talk of the interest of the community, without understanding what is the interest of the individual