As nations can not be rewarded or punished in the next world they must be in this.
Slavery discourages arts and manufacturing ...[and] every master of slaves is born a petty tyrant.
That slow poison [slavery] is daily contaminating the minds and morals of our people. Every gentlemen here is born a petty tyrant, practiced in acts of despotism and cruelty.
Every master of slaves is born a petty tyrant. They bring the judgment of heaven on a Country. As nations can not be rewarded or punished in the next world they must be in this. By an inevitable chain of causes & effects providence punishes national sins, by national calamities.