"To suppose that society can dispense with principles of justice, because it is of opinion that they are not founded on objective truth, is to believe that society is founded on objective truth, which …"

"Even despotism does not produce its worst effects, so long as individuality exists under it; and whatever crushes individuality is despotism, by whatever name it may be called, and whether it professe…"

"The human mind, when it is in a healthy state, is never satisfied with having attained a certain measure of truth; it is always aspiring to a higher."

"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 security against error is in the discussion of every subject, with the greatest freedom of speech."