To assert, therefore, that the constitution intended to sanction slavery, is, in reality, equivalent to asserting that the necessary meaning, the unavoidable import of the words alone of the constitution, come fully up to the point of a clear, definite, distinct, express, explicit, unequivocal, necessary and peremptory sanction of the specific thing, human slavery, property in man. If the necessary import of its words alone do but fall an iota short of this point, the instrument gives, and, legally speaking, intended to give no legal sanction to slavery. Now, who can, in good faith, say that the words alone of the constitution come up to this point? No one, who knows any thing of law, and the meaning of words. Not even the name of the thing, alleged to be sanctioned, is given. The constitution itself contains no designation, description, or necessary admission of the existence of such a thing as slavery, servitude, or the right of property in man. We are obliged to go out of the instrument, and grope among the records of oppression, lawlessness and crime—records unmentioned, and of course unsanctioned by the constitution—to find the thing, to which it is said that the words of the constitution apply. And when we have found this thing, which the constitution dare not name, we find that the constitution has sanctioned it, (if at all,) only by enigmatical words, by unnecessary implication and inference, by inuendo and double entendre, and under a name that entirely fails of describing the thing. Every body must admit that the constitution itself contains no language, from which alone any court, that were either strangers to the prior existence of slavery, or that did not assume its prior existence to be legal, could legally decide that the constitution sanctioned it. And this is the true test for determining whether the constitution does, or does not, sanction slavery, viz: whether a court of law, strangers to the prior existence of slavery, or not assuming its prior existence to be legal—looking only at the naked language of the instrument—could, consistently with legal rules, judicially determine that it sanctioned slavery. Every lawyer, who at all deserves that name, knows that the claim for slavery could stand no such test. The fact is palpable, that the constitution contains no such legal sanction; that it is only by unnecessary implication and inference, by inuendo and double-entendre, by the aid of exterior evidence, the assumption of the prior legality of slavery, and the gratuitous imputation of criminal intentions that are not avowed in legal terms, that any sanction of slavery, (as a legal institution,) can be extorted from it.

But legal rules of interpretation entirely forbid and disallow all such implications, inferences, inuendos and double-entendre, all aid of exterior evidence, all assumptions of the prior legality of slavery, and all gratuitous imputations of criminal unexpressed intentions; and consequently compel us to come back to the letter of the instrument, and find there a distinct, clear, necessary, peremptory sanction for slavery, or to surrender the point.

To the unprofessional reader these rules of interpretation will appear stringent, and perhaps unreasonable and unsound. For his benefit, therefore, the reasons on which they are founded, will be given. And he is requested to fix both the reasons and the rules fully in his mind, inasmuch as the whole legal meaning of the constitution, in regard to slavery, may perhaps be found to turn upon the construction which these rules fix upon its language.

But before giving the reasons of this rule, let us offer a few remarks in regard to legal rules of interpretation in general. Many persons appear to have the idea that these rules have no foundation in reason, justice or necessity; that they are little else than whimsical and absurd conceits, arbitrarily adopted by the courts. No idea can be more erroneous than this. The rules are absolutely indispensable to the administration of the justice arising out of any class of legal instruments whatever—whether the instruments be simple contracts between man and man, or statutes enacted by legislatures, or fundamental compacts or constitutions of government agreed upon by the people at large. In regard to all these instruments, the law fixes, and necessarily must fix their meaning; and for the obvious reason, that otherwise their meaning could not be fixed at all. The parties to the simplest contract may disagree, or pretend to disagree, as to its meaning, and of course as to their respective rights under it. The different members of a legislative body, who vote for a particular statute, may have different intentions in voting for it, and may therefore differ, or pretend to differ, as to its meaning. The people of a nation may establish a compact of government. The motives of one portion may be to establish liberty, equality and justice; and they may think, or pretend to think that the words used in the instrument convey that idea. The motives of another portion may be to establish the slavery or subordination of one part of the people, and the superiority or arbitrary power of the other part; and they may think, or pretend to think, that the language agreed upon by the whole authorizes such a government. In all these cases, unless there were some rules of law, applicable alike to all instruments, and competent to settle their meaning, their meaning could not be settled; and individuals would of necessity lose their rights under them. The law, therefore, fixes their meaning; and the rules by which it does so, are founded in the same justice, reason, necessity and truth, as are other legal principles, and are for that reason as inflexible as any other legal principles whatever. They are also simple, intelligible, natural, obvious. Every body are presumed to know them, as they are presumed to know any other legal principles. No one is allowed to plead ignorance of them, any more than of any other principle of law. All persons and people are presumed to have framed their contracts, statutes and constitutions with reference to them. And if they have not done so—if they have said black when they meant white, and one thing when they meant another, they must abide the consequences. The law will presume that they meant what they said. No one, in a court of justice, can claim any rights founded on a construction different from that which these rules would give to the contract, statute, or constitution, under which he claims. The judiciary cannot depart from these rules, for two reasons. First, because the rules embody in themselves principles of justice, reason and truth; and are therefore as necessarily law as any other principles of justice, reason and truth; and, secondly, because if they could lawfully depart from them in one case, they might in another, at their own caprice. Courts could thus at pleasure become despotic; all certainty as to the legal meaning of instruments would be destroyed; and the administration of justice, according to the true meaning of contracts, statutes and constitutions, would be rendered impossible.

What, then, are some of these rules of interpretation?

One of them, (as has been before stated,) is, that where words are susceptible of two meanings, one consistent, and the other inconsistent, with justice and natural right, that meaning, and only that meaning, which is consistent with right, shall be attributed to them—unless other parts of the instrument overrule that interpretation.

Another rule, (if indeed it be not the same,) is, that no language, except that which is peremptory, and no implication, except one that is inevitable, shall be held to authorize or sanction any thing contrary to natural right.

Another rule is, that no extraneous or historical evidence shall be admitted to fix upon a statute an unjust or immoral meaning, when the words themselves of the act are susceptible of an innocent one.

One of the reasons of these stringent and inflexible rules, doubtless is, that judges have always known that, in point of fact, natural justice was itself law, and that nothing inconsistent with it could be made law, even by the most explicit and peremptory language that legislatures could employ.—But judges have always, in this country and in England, been dependent upon the executive and the legislature for their appointments and salaries, and been amenable to the legislature by impeachment. And as the executive and legislature have always enacted more or less statutes, and had more or less purposes to accomplish, that were inconsistent with natural right, judges have seen that it would be impossible for them to retain their offices, and at the same time maintain the integrity of the law against the will of those in whose power they were. It is natural also that the executive should appoint, and that the legislature should approve the appointment of no one for the office of judge, whose integrity they should suppose would stand in the way of their purposes.—The consequence has been that all judges, (probably without exception,) though they have not dared deny, have yet in practice yielded the vital principle of law; and have succumbed to the arbitrary mandates of the other departments of the government, so far as to carry out their enactments, though inconsistent with natural right. But, as if sensible of the degradation and criminality of so doing, they have made a stand at the first point at which they could make it, without bringing themselves in a direct collision with those on whom they were dependent. And that point is, that they will administer, as law, no statute, that is contrary to natural right, unless its language be so explicit and peremptory, that there is no way of evading its authority, but by flatly denying the authority of those who enacted it. They (the court) will themselves add nothing to the language of the statute, to help out its supposed meaning. They will imply nothing, infer nothing, and assume nothing, except what is inevitable; they will not go out of the letter of the statute in search of any historical evidence as to the meaning of the legislature, to enable them to effectuate any unjust intentions not fully expressed by the statute itself. Wherever a statute is supposed to have in view the accomplishment of any unjust end, they will apply the most stringent principles of construction to prevent that object's being effected. They will not go a hair's breadth beyond the literal or inevitable import of the words of the statute, even though they should be conscious, all the while, that the real intentions of the makers of it would be entirely defeated by their refusal. The rule, (as has been already stated,) is laid down by the supreme court of the United States in these words:

"Where rights are infringed, where fundamental principles are overthrown, where the general system of the law is departed from, the legislative intention must be expressed with irresistible clearness, to induce a court of justice to suppose a design to effect such objects."—(United States vs. Fisher et al., 2 Cranch, 390.)[18]