"The greatest dangers to liberty lurk in insidious encroachment by men of zeal, well-meaning but without understanding."

"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 deeply-rooted notion, that the principles of justice are the same for all, and that in every case, justice consists in giving to each person that which he deserves, or is entitled to, is a common …"

"Men are not more zealous for truth than they often are for error, and a sufficient application of legal or even of social penalties will generally succeed in stopping the propagation of either."

"It is not the business of the law to make people good, but to prevent them from doing harm."