"The Suicide's Soliloquy," published in the Sangamo Journal (25 August 1838); there is no consensus among historians whether or not this poem was written by Lincoln.
More quotes by Abraham Lincoln
Without the military help of the black freedman, the war against the South could not have been won.
Slavery is founded in the selfishness of man's nature — opposition to it, in his love of justice.
Beware of rashness, but with energy and sleepless vigilance go forward and give us victories.
Determine that the thing can and shall be done, and then we shall find the way.
Attribution
Quote text and notes from Wikiquote: Abraham Lincoln (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.