A population may be too crowded, though all be amply supplied with food and raiment. It is not good for a man to be kept perforce at all times in the presence of his species.
John Stuart Millif any opinion is compelled to silence, that opinion may, for aught we can certainly know, be true. To deny this is to assume our own infallibility.
John Stuart MillAll that makes existence valuable to any one depends on the enforcement of restraints upon the actions of other people.
John Stuart Mill