Page:Joseph Story, Commentaries on the Constitution of the United States (1st ed, 1833, vol III).djvu/431

has been overruled by the matured opinions of the majority of his colleagues; and subsequently to conform himself thereto, as to authoritative expositions of the law? And is it not reasonable, that the same view of the official oath should be taken by a legislator, acting under the constitution, which is his guide, as is taken by a judge, acting under the law, which is his?
"There is, in fact and in common understanding, a necessity of regarding a course of practice, as above characterized, in the light of a legal rule of interpreting a law: and there is a like necessity of considering it a constitutional rule of interpreting a constitution.
"That there may be extraordinary and peculiar circumstances controlling the rule in both cases, may be admitted; but with such exceptions, the rule will force itself on the practical judgment of the most ardent theorist. He will find it impossible to adhere to, and act officially upon his solitary opinions, as to the meaning of the law or constitution, in opposition to a construction reduced to practice, during a reasonable period of time; more especially, where no prospect existed of a change of construction, by the public or its agents. And if a reasonable period of time, marked with the usual sanctions, would not bar the individual prerogative, there could be no limitation to its exercise, although the danger of error must increase with the increasing oblivion of explanatory circumstances, and with the continual changes in the import of words and phrases.
"Let it then be left to the decision of every intelligent and candid judge, which, on the whole, is most to be relied on for the true and safe construction of a constitution; that which has the uniform sanction of successive legislative bodies through a period of years, and under the varied ascendancy of parties; or that which depends upon the opinions of every new legislature, heated as it may be by the spirit of party, eager in the pursuit of some favourite object, or led astray by the eloquence and address of popular statesmen, themselves, perhaps, under the influence of the same misleading causes.
"It was in conformity with the view here taken, of the respect due to deliberate and reiterated precedents, that the bank of the United States, though on the original question held to be unconstitutional, received the executive signature in the year 1817. The act originally establishing a bank, had undergone ample discussions in its passage through the several branches of the government. It had been carried into execution throughout a period of twenty years, with annual legislative recognitions; in one instance, indeed, with a positive ramification of it into a new state; and with the entire acquiescence of all the local authorities, as well as of the nation at large; to all of which may be added, a decreasing prospect of any change in the public opinion, adverse to the constitutionality of such an institution. A veto from the executive under these circumstances, with an admission of the expediency and almost necessity of the measure, would have been a