“It is another conflict, a conflict as fundamental as Lincoln's, fought not with glint of steel, but with appeals to reason and justice on a thousand fronts — seeking to save for our common country opportunity and security for citizens in a free society. We are near to winning this battle. In its winning and through the years may we live by the wisdom and the humanity of the heart of Abraham Lincoln.”

Letter to George W. Julian (8 April 1865), as quoted in The Fiery Trial: Abraham Lincoln and American Slavery http://books.google.com/books?id=4b8m7cv3wTIC&pg=PA335#v=onepage&q&f=false, by Eric Foner, p. 336
1860s
Context: I think we have reason to thank God for Abraham Lincoln. With all his deficiencies, it must be admitted that he has grown continually.

Source: João Goulart: Uma Biografia. Jorge Ferreira. 2011. Page 276. ISBN 978-85-200-1056-3

2000s, 2003, Mission Accomplished (May 2003)

The People's Rights [1909] (London: Jonathan Cape, 1970), p. 137
Early career years (1898–1929)

2013, Eulogy of Nelson Mandela (December 2013)

The Australian, "Hackers poised for further releases" http://www.theaustralian.com.au/news/world/anonymous-hackers/story-e6frg6so-1226231714054, 28 December 2011.

1870s, Oratory in Memory of Abraham Lincoln (1876)
Context: Fellow citizens, ours is no new-born zeal and devotion — merely a thing of this moment. The name of Abraham Lincoln was near and dear to our hearts in the darkest and most perilous hours of the republic. We were no more ashamed of him when shrouded in clouds of darkness, of doubt, and defeat than when we saw him crowned with victory, honor, and glory. Our faith in him was often taxed and strained to the uttermost, but it never failed. When he tarried long in the mountain; when he strangely told us that we were the cause of the war; when he still more strangely told us that we were to leave the land in which we were born; when he refused to employ our arms in defense of the Union; when, after accepting our services as colored soldiers, he refused to retaliate our murder and torture as colored prisoners; when he told us he would save the Union if he could with slavery; when he revoked the Proclamation of Emancipation of General Fremont; when he refused to remove the popular commander of the Army of the Potomac, in the days of its inaction and defeat, who was more zealous in his efforts to protect slavery than to suppress rebellion; when we saw all this, and more, we were at times grieved, stunned, and greatly bewildered; but our hearts believed while they ached and bled. Nor was this, even at that time, a blind and unreasoning superstition. Despite the mist and haze that surrounded him; despite the tumult, the hurry, and confusion of the hour, we were able to take a comprehensive view of Abraham Lincoln, and to make reasonable allowance for the circumstances of his position. We saw him, measured him, and estimated him; not by stray utterances to injudicious and tedious delegations, who often tried his patience; not by isolated facts torn from their connection; not by any partial and imperfect glimpses, caught at inopportune moments; but by a broad survey, in the light of the stern logic of great events, and in view of that divinity which shapes our ends, rough hew them how we will, we came to the conclusion that the hour and the man of our redemption had somehow met in the person of Abraham Lincoln. It mattered little to us what language he might employ on special occasions; it mattered little to us, when we fully knew him, whether he was swift or slow in his movements; it was enough for us that Abraham Lincoln was at the head of a great movement, and was in living and earnest sympathy with that movement, which, in the nature of things, must go on until slavery should be utterly and forever abolished in the United States.

As quoted in Turning Conflict Into Profit : A Roadmap for Resolving Personal and Organizational Disputes (2005) by Larry Axelrod and Rowland Johnson