I was also invited by the Republican Club of Philadelphia to make a speech ratifying the nomination of Lincoln and Hamlin and spoke at a meeting held May 28, 1860. My address was entirely impromptu, and was far better, both in manner and matter, than the speech in New York, and was received with great applause. Since that time, I have never attempted to make a popular address from manuscript. Every speaker should know the substance of what he intends to say, but ought to rely for his words upon the spirit and temper of the audience. The summer of 1860 was ominous of domestic discord and civil war. The success of the Republicans in the House of Representatives, the violent scenes in the House, notably those between Potter, Pryor, Barksdale, and Lovejoy, were indications that the south was aggressive, and that the north would fight. The meeting of the Democratic convention at Charleston, on the 23rd of April, soon disclosed an almost equal division of its members as to slavery in the territories. The southern platform was adopted by a majority of one in its committee on resolutions, but rejected by a majority of the convention. This was the vital issue between the followers of Davis and Douglas, and Douglas won. A majority of the delegates from six of the southern states thereupon withdrew from the convention and adjourned to Richmond. Thus, the first secession was from a Democratic convention. The remainder of that convention adjourned to Baltimore, at which city Douglas was nominated for President. The seceding delegates nominated Breckenridge. Thus, the Democratic party, which, in every stage of the slavery controversy, had taken sides with the south, was itself broken on the rock of slavery, and condemned to certain defeat. The Republican convention met at Chicago on the 16th of May, with a defined line of public policy which was adopted unanimously by the convention. The only question to be determined was, who should be the candidate for President, who would best represent the principles agreed upon. Seward, Chase and Bates were laid aside, and Abraham Lincoln, one stronger than any of these, was unanimously nominated. The nomination of a candidate by a third party, ignoring the slavery question, did not change the issue. The conflict was now between freedom and slavery, an issue carefully avoided by the two great parties prior to the repeal of the Missouri Compromise. Thus Douglas, as a consequence of his own act, was destined to defeat, and the irrepressible conflict was to be finally determined by the people in the choice between Lincoln and Breckenridge, with the distinct declaration, made by the delegates seceding from the Charleston convention, that if Lincoln was elected their states would secede from the Union, and establish an independent government founded upon slavery. This was the momentous issue involved in the election.