 Such liberty should exist with every subject matter so that we have “absolute freedom of opinion and sentiment on all subjects, practical or speculative, scientific, moral or theological” (1978, 11). Mill claims that the fullest liberty of expression is required to push our arguments to their logical limits, rather than the limits of social embarrassment. Such liberty of expression is necessary, he suggests, for the dignity of persons. If liberty of expression is stifled, the price paid is “a sort of intellectual pacification” that sacrifices “ the entire moral courage of the human mind” (1978, 31).