Note 57 — LETTERS ON POLITICAL ECONOMY.
Reading edition
"Justitia est constans et perpetua voluntas suum cuique tribuendi ... Jurisprudentia est divinarum atque humanarum rerum notitia, justi atque injusti scientia." The third precept is given above. Justinian, "Inst." i. 1-3; and see Blackstone, vol. i. section 2, "Of the Nature of Laws in General."