George Washington Williams, History of the Negro Race in America from 1619 to 1880…
“ Sudden and destructive insurrections were the safety-valves to the institution of slavery. A race long and cruelly enslaved may endure the yoke patiently for a season: but like the sudden gathering of the summer clouds, the pelting rain, the vivid, blinding lightning, the deep, hoarse thundering, it will assert itself some day; and then it is indeed a day of judgment to the task-masters! The Negroes in South Carolina endured a most cruel treatment for a long time; and, when "the day of their wrath" came, they scarcely knew it themselves, much less the whites. ”
