"Whenever I hear any one arguing for slavery I feel a strong impulse to see it tried on him personally." The Collected Works of Abraham Lincoln edited by Roy P. Basler, Volume VIII, "Speech to One Hundred Fortieth Indiana Regiment" (March 17, 1865), p. 361.
"What I do say is, that no man is good enough to govern another man, without that other's consent. I say this is the leading principle - the sheet anchor of American republicanism." The Collected Works of Abraham Lincoln edited by Roy P. Basler, Volume II, "Speech at Peoria, Illinois" (October 16, 1854), p. 266.
"We think slavery a great moral wrong, and while we do not claim the right to touch it where it exists, we wish to treat it as a wrong in the territories, where our votes will reach it." The Collected Works of Abraham Lincoln edited by Roy P. Basler, Volume IV, "Speech at New Haven, Connecticut" (March 6, 1860), p. 16.