The law of nations is naturally founded on this principle, that different nations ought in time of peace to do one another all the good they can, and in time of war as little injury as possible, without prejudicing their real interests.
Although born in a prosperous realm, we did not believe that its boundaries should limit our knowledge, and that the lore of the East should alone enlighten us.
Slavery, properly so called, is the establishment of a right which gives to one man such a power over another as renders him absolute master of his life and fortune.
There are only two cases in which war is just: first, in order to resist the aggression of an enemy, and second, in order to help an ally who has been attacked.