Whereas, Slavery, throughout its entire existence in the United States is none other than a most barbarous, unprovoked, and unjustifiable War of one portion of its citizens upon another portion; the only conditions of which are perpetual imprisonment, and hopeless servitude or absolute extermination; in utter disregard and violation of those eternal and self-evident truths set forth in our Declaration of Independence:

The Public Life of Capt. John Brown, with an Auto-biography of His Childhood and Youth (ed. 1860)