This is an easy, effectual remedy, within the power of Congress, and in its nature an irrevocable act. There is no necessity of an amendment to the constitution. It is not at all probable that two- thirds of both houses of Congress and three-fourths of the states can agree to any amendments. Why attempt it, unless to invite new contests, to again arouse sectional animosities? We know that if Mexico is acquired the south will demand it for slavery, and the north for free institutions. We must forego, for the present, new conquests, unless the love of acquisition is stronger than the love of domestic peace. "Suppose it to be conceded that the constitution should be amended, what amendment will satisfy the south? Nothing less than the protection of slavery in the territories. But our people have pronounced against it. All who voted for Mr. Lincoln or Mr. Douglas --over three million three hundred thousand citizens--voted against this claim. Less than a million voted for it. Should the great majority yield to a meagre minority, especially under threats of disunion? This minority demand that slavery be protected by the constitution. Our fathers would not allow the word 'slave' or 'slavery' in the constitution, when all the states but one were slaveholding. Shall we introduce these words when a majority of the states are free, and when the progress of civilization has arrayed the world against slavery? If the love of peace and ease, and office, should tempt politicians and merchants to do it, the people will rebel. I assure you, whatever may be the consequence, they will not yield their moral convictions by strengthening the influence of slavery in this country. Recent events have only deepened this feeling. "The struggle to establish slavery in Kansas; the frequent murders and mobbings, in the south, of northern citizens; the present turbulence and violence of southern society; the manifest fear of the freedom of speech and of the press; the danger of insurrection; and now the attempt to subvert the government rather than submit to a constitutional election--these events, disguise it as you may, have aroused a counter irritation in the north that will not allow its representatives to yield merely for peace, more than is prescribed by the letter and spirit of the constitution. Every guarantee of this instrument ought to be faithfully and religiously observed. But when it is proposed to change it, to secure new guarantees to slavery, to extend and protect it, you invoke and arouse the anti- slavery feeling of the north to war against slavery everywhere.