do good and avoid evil {Ans: first precept of the natural law}natural law {Ans: the law that is build into our nature}wealth is just a means to an end, so it cannot be happiness {Ans: aristotle's argument for why wealth is not happiness}justice in a city is the correct order of the different classes of a city and each class doing their own tasks well {Ans: socrates' definition of justice in a city}1. the soul knows the forms, which are immaterial and eternal 2. the body knows physical things, which change and cease to exist 3. the soul is like what it knows C. therefore, it is probable that just as the forms are immaterial and eternal, so also is the soul {Ans: plato's affinity argument for the immateriality and immortality of the soul}principle of utility {Ans: whatever action that brings about the best balance of pleasure over pain is morally right, and any action that doesn't bring the best balance of pleasure over pain is morally wrong}