In bodies moved, the motion is received, increased, diminished, or lost, according to the relations of the quantity of matter and velocity; each diversity is uniformity, each change is constancy. ↗
Law in general is human reason, inasmuch as it governs all the inhabitants of the earth: the political and civil laws of each nation ought to be only the particular cases in which human reason is applied. ↗
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. ↗