PROP. XXIV. To act absolutely in obedience to virtue is in us the same thing as to act, to live, or to preserve one's being (these three terms are identical in meaning) in accordance with the dictates of reason on the basis of seeking what is useful to one's self.
Arrazoiaren gidaritzapean ihardutea, bizitzea, nork bere izana atxikitzea (hirurek gauza bera adierazten dute) bakoitzak onuragarri zaiona bilatzeko oinarriaren arabera.