Page:On Liberty (4th Edition).djvu/186

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186
APPLICATIONS.

to be discussed in a parenthesis, and I touch on it only so far as is necessary for purposes of illustration. If the conciseness and generality of Baron Humboldt's dissertation had not obliged him in this instance to content himself with enunciating his conclusion without discussing the premises, he would doubtless have recognised that the question cannot be decided on grounds so simple as those to which he confines himself. When a person, either by express promise or by conduct, has encouraged another to rely upon his continuing to act in a certain way—to build expectations and calculations, and stake any part of his plan of life upon that supposition—a new series of moral obligations arises on his part towards that person, which may possibly be overruled, but cannot be ignored. And again, if the relation between two contracting parties has been followed by consequences to others; if it has placed third parties in any peculiar position, or, as in the case of marriage, has even called third parties into existence, obligations arise on the part of both the contracting parties towards those third persons, the fulfilment of which, or at all events the mode of fulfilment, must be greatly affected by the continuance or disruption of the relation between the original parties to the contract. It does not follow, nor can I admit, that these obligations extend to requiring the fulfilment of the