Each colored voter of the state should say in scripture phrase, 'may my hand forget its cunning and my tongue cleave to the roof of my mouth' if ever I raise my voice or give my vote to the nominee of the Democratic Party.

"The Lesson of Emancipation to the New York Generation: An Address Delivered in Elmira, New York" (3 August 1880), as quoted in The Frederick Douglass Papers, Volume 4, p. 581. Douglass is referring to Psalm 137:5-6. - The Lesson of Emancipation to the New York Generation (1880)