"The object of this Essay is to assert one very simple principle, as entitled to govern absolutely the dealings of society with the individual in the way of compulsion and control, whether the means us…"

"The only freedom, which is of real value, is that of pursuing our own good in our own way, without reference to the opinions of 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 …"

"It is not because men's desires are strong that they act ill; it is because their consciences are weak."

"The greatest danger to the freedom of thought and discussion is not the government, but the tyranny of the majority."