"The principle of utility is capable of receiving proof, only by showing that the only things desirable as ends are happiness and freedom from pain."

"The ultimate sanction, therefore, of all morality, is a subjective feeling in our own minds."

"The only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others. His own good, either physical or moral, is not a …"

"A state which dwarfs its men, in order that they may be more docile instruments in its hands even for beneficial purposes, will find that with small men no great thing can really be accomplished."

"The liberty of the individual must be thus far limited; he must not make himself a nuisance to other people."