Nicomachean Ethics (Excerpts)
by Aristotle
Translated by Michael Pakaluk
[Aristotle. Nicomachean Ethics. Translated by Michael Pakaluk. Princeton, N.J.: The Witherspoon Institute. 2012. 5.7.1134b19–1135a5. Used with permission]
Of political justice part is natural, part legal. Natural is that which everywhere has the same force and does not exist by people's thinking it to be so or not. Legal is:
To some people it looks as though all justice is of this sort, because that which is by nature is unchangeable and has everywhere the same force (as fire burns both here and in Persia), but they see matters of justice changing.