It cannot be a secret to the gentlemen in this House, that, notwithstanding the ratification of this system of Government by eleven of the thirteen United States, in some cases unanimously, in others by large majorities; yet still there is a great number of our constituents who are dissatisfied with it; among whom are many respectable for their talents and patriotism, and respectable for the jealousy they have for their liberty, which, though mistaken in its object, is honorable in its motive. There is a great body of the people falling under this description, who at present feel much inclined to join their support to the cause of Federalism, if they were satisfied on this one point. We ought not to disregard their inclination, but, on principles of amity and moderation, conform to their wishes and expressly declare the great rights of mankind secured under this constitution. The acceptance which our fellow-citizens show under the Government, calls upon us for a like return of moderation. But perhaps there is a stronger motive than this for our going into a consideration of the subject. It is to provide those securities for liberty which are required by a part of the community: I allude in a particular manner to those two States that have not thought fit to throw themselves into the bosom of the Confederacy. It is a desirable thing, on our part as well as theirs, that a re-union should take place as soon as possible. I have no doubt, if we proceed to take those steps which would be prudent and requisite at this juncture, that in a short time we should see that disposition prevailing in those States which have not come in, that we have seen prevailing in those States which have embraced the constitution.James Madison - introduction of the bill of rights to the Congress
Note that Mr. Page considered Rhode Island still to be a "sister state" not a foreign nation.
Note that Mr Madison did not.
The amendments which have occurred to me, proper to be recommended by Congress to the State Legislatures, are these:First, That there be prefixed to the constitution a declaration, that all power is originally rested in, and consequently derived from, the people.
That Government is instituted and ought to be exercised for the benefit of the people; which consists in the enjoyment of life and liberty, with the right of acquiring and using property, and generally of pursuing and obtaining happiness and safety.
That the people have an indubitable, unalienable, and indefeasible right to reform or change their Government, whenever it be found adverse or inadequate to the purposes of its institution.
Proposed Amendments to the Constitution - James Madison
Hmmm.... what do you suppose that means?
The exceptions here or elsewhere in the constitution, made in favor of particular rights, shall not be so construed as to diminish the just importance of other rights retained by the people, or as to enlarge the powers delegated by the constitution; but either as actual limitations of such powers, or as inserted merely for greater caution.[...]
It has been objected also against a bill of rights, that, by enumerating particular exceptions to the grant of power, it would disparage those rights which were not placed in that enumeration; and it might follow, by implication, that those rights which were not singled out, were intended to be assigned into the hands of the General Government, and were consequently insecure. This is one of the most plausible arguments I have ever heard urged against the admission of a bill of rights into this system; but, I conceive, that it may be guarded against. I have attempted it, as gentlemen may see by turning to the last clause of the fourth resolution.
[...]
I find, from looking into the amendments proposed by the State conventions, that several are particularly anxious that it should be declared in the constitution, that the powers not therein delegated should be reserved to the several States. Perhaps words which may define this more precisely than the whole of the instrument now does, may be considered as superflous. I admit they may be deemed unnecessary: but there can be no harm in making such a declaration, if gentlemen will allow that the fact is as stated. I am sure I understand it so, and do therefore propose it. [Gianni note: Where is all that talk about 'local power'?]
James Madison - introduction of the Bill of Rights
Madison understood as did all the others that the situation with Rhode Island and North Carolina was an anomaly which would be straightened out. He did not think of them as foreign states. Though I am not sure what point you believe you were addressing through that quote.
Madison, like all the Founders, believed that the People could change their governments. Who claims otherwise? He did NOT believe that factions within states or regions could change the shape of the Union through unconstitutional means. He did not believe that forces of the United States could be attacked without response.
One can claim a belief in a "right" of secession only be completely ignoring the Federalist while placing all faith in an interpretation of the 10th amendment which is completely at odds with the views of Hamilton, Washington, Madison, Marshall and all other significant interpreters of the Constitution. I have quoted quote after quote IN CONTEXT from Hamilton and Madison which utterly demolish any idea that sufficient state sovereignty remained after ratification to authorize secession.