set of ideas that he explains and illustrates and defines, more or less as if he is the first person to come up with the concepts. Marx's method, on the other hand, is to refer to concepts and facts that may be familiar to his readers or that may have appeared in the philosophical discourse, and then to analyze and interpret them--in the process introducing certain new terms and constructing new understanding. To see how this difference operates with each philosopher, it is necessary to examine each of them in more detail.
Aristotle's description of ethics as a practical science means that ethics is something that has application to real life beyond the merely theoretical or speculative. Ethics matters. Therefore, it involves action as well as consideration of contingent situations, in which a choice has to be made for the proper action. Further, any actions undertaken have a purpose beyond their ethical nature; they aim at what eventually comes to be called a good. It does not matter whether the actions dispose of a matter in itself or have importance
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