"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."

"A party of order or stability, and a party of progress or reform, are both necessary elements of a healthy state of political life."

"The peculiar evil of silencing the expression of an opinion is, that it is robbing the human race; posterity as well as the existing generation; those who dissent from the opinion, still more than tho…"

"He who lets the world, or his own portion of it, choose his plan of life for him, has no need of any other faculty than the ape-like one of imitation."

"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."