"The only freedom which consists in doing what one desires, is a freedom which, if not qualified by other considerations, is inconsistent with the good of society."

"The sole end for which mankind are warranted, individually or collectively, in interfering with the liberty of action of any of their number, is self-protection."

"That the only freedom which deserves the name, is that of pursuing our own good in our own way, so long as we do not attempt to deprive others of theirs, or impede their efforts to obtain it."

"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."

"Originality is the one thing which unoriginal minds cannot feel the use of."