My great and exceeding joy over these stupendous achievements, especially over the abolition of slavery (which had been the deepest desire and the great labor of my life), was slightly tinged with a feeling of sadness.
Frederick DouglassSlaves sing most when they are most unhappy. The songs of the slave represent the sorrows of his heart; and he is relieved by them, only as an aching heart is relieved by its tears.
Frederick Douglass