1860s
Context: I never was an abolitionist, not even what could be called anti-slavery, but I try to judge fairly and honestly and it became patent in my mind early in the rebellion that the North and South could never live at peace with each other except as one nation, and that without slavery. As anxious as I am to see peace established, I would not therefore be willing to see any settlement until the question is forever settled.
Letter to Elihu Washburne (30 August 1863)
“Without slavery the rebellion could never have existed; without slavery it could not continue.”
1860s, Second State of the Union address (1862)
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Abraham Lincoln 618
16th President of the United States 1809–1865Related quotes
"Slavery and Torture" http://andrewsullivan.theatlantic.com/the_daily_dish/2007/02/slavery_and_tor.html, The Daily Dish (23 February 2007)
Context: Torture was necessary to maintain slavery. It was integral to slavery. You cannot have slavery without some torture or the threat of torture; and you cannot have torture without slavery. You cannot imprison a free man for ever unless you have broken him; and you can only forcibly break a man's soul by torturing it out of him. Slavery dehumanizes; torture dehumanizes in exactly the same way. The torture of human beings who have no freedom and no recourse to the courts is slavery.
Letter to his father (27 November 1861)
1860s
Context: My inclination is to whip the rebellion into submission, preserving all Constitutional rights. If it cannot be whipped any other way than through a war against slavery, let it come to to that legitimately. If it is necessary that slavery should fall that the Republic may continue its existence, let slavery go.
“[N]o democracy worth its name could continue to drag the burden of slavery around after it.”
p. xviii https://books.google.com/books?id=i5u1P0Fq4GYC&printsec=frontcover&dq=0307594084&hl=en&sa=X&ved=0ahUKEwj17N6CovLcAhUPUt8KHTa1CrgQ6AEIKDAA#v=onepage&q&f=false
2010s, Gettysburg: The Last Invasion (2013)
“Liberty without obedience is confusion, and obedience without liberty is slavery.”
As quoted in Memoirs of the Private and Public Life of William Penn : Who Settled the State of Pennsylvania, and Founded the City of Philadelphia (1827) by S. C. Stevens, p. 117
Speech https://books.google.com/books?id=qMEv8DNXVbIC&pg=PA293&dq=%22Pro-Slavery+Rebellion%22&hl=en&sa=X&ved=0ahUKEwjtq-fys9zSAhWM4yYKHUaWBNIQ6AEIMjAE#v=onepage&q=%22Pro-Slavery%20Rebellion%22&f=false (January 1862)
1860s
Conclusion
1880s, Personal Memoirs of General U. S. Grant (1885)
Context: The cause of the great War of the Rebellion against the United States will have to be attributed to slavery. For some years before the war began it was a trite saying among some politicians that 'A state half slave and half free cannot exist.' All must become slave or all free, or the state will go down. I took no part myself in any such view of the case at the time, but since the war is over, reviewing the whole question, I have come to the conclusion that the saying is quite true.
As quoted in a letter by Thomas Clarkson (3 October 1845), published in The Liberty Bell (1846), p. 64