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125 eye on their security, though only in so far as this might suffer from the attempts of the designing to turn the ignorance of others to their own advantage. Still, in such cases of deception as that to which we refer, the victim of the imposture must necessarily have been persuaded into conviction; and as in such relations the flux and reflux of different modifying influences from one party to the other precludes the application of any general rule, and as the very liability to imposition which freedom opens out tends to discipline men's prudence and foresight, I esteem it more accordant with fundamental principles (in a theory which is necessarily removed from practical application) to confine prohibitive laws to those cases only in which actions are done without the will of another, or still more, in direct opposition to it. The general tenour of my arguments will serve to indicate the consistent treatment of other cases, should these present themselves.

While we have hitherto confined our attention only to the nature of those consequences, flowing from an action, which bring it under the operation of State supervision, we have yet to inquire whether the mere prospective possibility of such consequences is sufficient to justify the restriction of given actions, or whether this is only requisite where those consequences follow in the necessary course. Freedom may suffer if we adopt the former supposition; if the latter, security may be endangered. It is therefore sufficiently clear that a middle path should be pursued; but to give any general definition of this seems to me impossible.