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.
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.
Better it is to say that the government most comfortable to nature is that which best agrees with the humor and disposition of the people in whose favor it is established.
