Negro slavery is an evil of colossal magnitude.
Slavery is a foul contagion in the human character.
Every measure of prudence, therefore, ought to be assumed for the eventual total extirpation of slavery from the United States ... I have, throughout my whole life, held the practice of slavery in ... abhorrence.
Negro Slavery is an evil of Colossal magnitude. I am therefore utterly averse to the admission of Slavery into the Missouri Territory, and heartily wish that every Constitutional measure may be adopted for the preservation of it.