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"This struggle may be a moral one; or it may be both moral and physical, but it must be a struggle. Power concedes nothing without a demand; it never did and it never will.
"Find out what people will submit to, and you have found out the exact amount of injustice which will be imposed upon them. The limits of tyrants are prescribed by the endurance of those whom they oppress."
--Frederick Douglass, "The Significance of Emancipation in the West Indies." Speech, Canandaigua, New York, August 3, 1857