
Can we afford to sin any more deeply against human liberty?
From the Speech Delivered Before the First Republican State Convention of Illinois, Held at Bloomington (1856); found in Speeches & Letters of Abraham Lincoln, 1809-1865 (1894), J. M. Dent & Company, p. 56.
Also quoted by Ida Minerva Tarbell, The Life of Abraham Lincoln: Drawn from Original Sources and Containing Many Speeches, Letters, and Telegrams Hitherto Unpublished, and Illustrated with Many Reproductions from Original Paintings, Photographs, etc, Volume 4 (1902), Lincoln History Society http://lincolnhistoricalsociety.org/; and by William C. Whitney; in The Writings of Abraham Lincoln, v. 2' . (1905) Lapsley, Arthur Brooks, New York: G.P. Putnam's Sons
1850s