"[T]he Slave Trade has enslaved their [Africans'] minds, blackened their character and sunk them so low in the scale of animal beings, that some think the very apes are of a higher class, and fancy the Ourang Outang has given them the go-by."
— Wilberforce, William (1759-1833)
Wilberforce, William, The Speech of William Wilberforce, Esq., Representative for the County of York, on Wednesday the 13th of May, 1789, on the Question of the Abolition of the Slave Trade. To Which are Added, the Resolutions Then Moved, and a Short Sketch of the Speeches of the Other Members (London: Printed at the Logographic Press and sold by J. Walter, C. Stalker, and W. Richardson, 1789). <Link to Internet Archive>