John Stuart Mill — "Individual spontaneity is entitled to free exercise."

"The human faculties of perception, judgment, discriminative feeling, mental activity, and even moral preference, are exercised only in making a choice."

"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."

"The ultimate end, with reference to and for the sake of which all other things are desirable (whether we are considering our own good or that of other people), is an existence exempt as far as possibl…"

"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."

"If all mankind minus one were of one opinion, and only one person were of the contrary opinion, mankind would be no more justified in silencing that one person, than he, if he had the power, would be …"