"All that makes existence valuable to any one, depends on the enforcement of restraints upon the actions of other people."

"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 …"

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

"Justice is a name for certain moral requirements, which, regarded collectively, stand higher in the scale of social utility, and are therefore of more paramount obligation, than any others."

"The strongest of all arguments against the present constitution of society is, that it does not permit the free development of every individual."