Sir, nobody can look over the face of this country at the present moment, nobody can see where its population is the most dense and growing, without being ready to admit, and compelled to admit, that erelong the strength of America will be in the Valley of the Mississippi. Well, now, sir, I beg to inquire what the wildest enthusiast has to say on the possibility of cutting that river in two, and leaving free States at its source and on its branches, and slave States down near its mouth, each forming a separate government? Pray, sir, let me say to the people of this country, that these things are worthy of their pondering and of their consideration. Here, sir, are five millions of freemen in the free States north of the river Ohio. Can anybody suppose that this population can be severed, by a line that divides them from the territory of a foreign and alien government, down somewhere, the Lord knows where, upon the lower banks of the Mississippi? What would become of Missouri? Will she join the arrondissement of the slave States? Shall the man from the Yellowstone and the Platte be connected, in the new republic, with the man who lives on the southern extremity of the Cape of Florida? Sir, I am ashamed to pursue this line of remark. I dislike it, I have an utter disgust for it. I would rather hear of natural blasts and mildews, war, pestilence, and famine, than to hear gentlemen talk of secession. To break up this great Government! to dismember this glorious country! to astonish Europe with an act of folly such as Europe for two centuries has never beheld in any government or any people! No, sir! no, sir! There will be no secession! Gentlemen are not serious when they talk of secession. Sir, I hear there is to be a convention held at Nashville. I am bound to believe that if worthy gentlemen meet at Nashville in convention, their object will be to adopt conciliatory counsels; to advise the South to forbearance and moderation, and to advise the North to forbearance and moderation; and to inculcate principles of brotherly love and affection, and attachment to the Constitution of the country as it now is. I believe, if the convention meet at all, it will be for this purpose; for certainly, if they meet for any purpose hostile to the Union, they have been singularly inappropriate in their selection of a place. I remember, sir, that, when the treaty of Amiens was concluded between France and England, a sturdy Englishman and a distinguished orator, who regarded the conditions of the peace as ignominious to England, said in the House of Commons, that if King William could know the terms of that treaty, he would turn in his coffin! Let me commend this saying to Mr. Windham, in all its emphasis and in all its force, to any persons who shall meet at Nashville for the purpose of concerting measures for the overthrow of this Union over the bones of Andrew Jackson. * * *