Prudence is indeed the same quality of mind as Political Science, though their essence is different.2 [2] Of Prudence as regards the state, one kind, as supreme and directive, is called Legislative Science3; the other, as dealing with particular occurrences, has the name, Political Science, that really belongs to both kinds. The latter is concerned with action and deliberation (for a parliamentary enactment is a thing to be done, being the last step4 in a deliberative process), and this is why it is only those persons who deal with particular facts who are spoken of as ‘taking part in politics,’ because it is only they who perform actions, like the workmen in an industry.5 [3] Prudence also is commonly understood to mean especially that kind of wisdom which is concerned with oneself, the individual; and this is given the name, Prudence, which really belongs to all the kinds, while the others are distinguished as Domestic Economy, Legislature, and Political Science, the latter being subdivided into Deliberative Science and Judicial Science. [4] Now knowledge of one's own interest will certainly be one kind of Prudence; though it is very different from the other kinds,