On Liberty · ¶117

And even (it will be added) if the consequences of misconduct could be confined to the vicious or thoughtless individual, ought society to abandon to their own guidance those who are manifestly unfit for it? If protection against themselves is confessedly due to children and persons under age, is not society equally bound to afford it to persons of mature years who are equally incapable of self-government? If gambling, or drunkenness, or incontinence, or idleness, or uncleanliness, are as injurious to happiness, and as great a hindrance to improvement, as many or most of the acts prohibited by law, why (it may be asked) should not law, so far as is consistent with practicability and social convenience, endeavour to repress these also? And as a supplement to the unavoidable imperfections of law, ought not opinion at least to organise a powerful police against these vices, and visit…

John Stuart Mill · Walter Scott Publishing edition, with W. L. Courtney’s introduction · Gutenberg #34901
John Stuart Mill · Walter Scott Publishing edition, with W. L. Courtney’s introduction · Gutenberg #34901
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