Thomas Clarkson,
The History of the Rise, Progress and Accomplishment of the Abolition of the African Slave Trade by the British Parliament…
“ It was impossible for them to be accustomed to carry away men and women by force, to keep them in chains, to see their tears, to hear their mournful lamentations, to behold the dead and the dying, to be obliged to keep up a system of severity amidst all this affliction,—in short, it was impossible for them to be witnesses, and this for successive voyages, to the complicated mass of misery passing in a slave-ship, without losing their finer feelings, or without contracting those habits of moroseness and cruelty, which would brutalize their nature. ”
