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

The spirit of dogmatic theology poisons anything it touches.

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.

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

If Christianity needed an Anti-Christ, they needed look no farther than Paul.

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

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.