Passage: Accepting the nomination, Lincoln delivered his House Divided Speech, drawing on Mark 3:25, "A house divided against itself cannot stand. I believe this government cannot endure permanently half slave and half free. I do not expect the Union to be dissolved—I do not expect the house to fall—but I do expect it will cease to be divided. It will become all one thing, or all the other." The speech created an evocative image of the danger of disunion. The stage was then set for the campaign for statewide election of the Illinois legislature which would, in turn, select Lincoln or Douglas. When informed of Lincoln's nomination, Douglas stated, "[Lincoln] is the strong man of the party ... and if I beat him, my victory will be hardly won."The Senate campaign featured seven debates, the most famous political debates in American history. The principals stood in stark contrast both physically and politically. Lincoln warned that "The Slave Power" was threatening the values of republicanism, and accused Douglas of distorting the values of the Founding Fathers that all men are created equal, while Douglas emphasized his Freeport Doctrine, that local settlers were free to choose whether to allow slavery, and accused Lincoln of having joined the abolitionists. The debates had an atmosphere of a prize fight and drew crowds in the thousands. Lincoln's argument was rooted in morality. He claimed that Douglas represented a conspiracy to extend slavery to free states. Douglas's argument was legal, claiming that Lincoln was defying the authority of the U.S. Supreme Court and the Dred Scott decision.Though the Republican legislative candidates won more popular votes, the Democrats won more seats, and the legislature re-elected Douglas. Lincoln's articulation of the issues gave him a national political presence. In May 1859, Lincoln purchased the Illinois Staats-Anzeiger, a German-language newspaper that was consistently supportive; most of the state's 130,000 German Americans voted Democratic but the German-language paper...

Question: What did he expect not to be dissolved?
Union