Ethics comes from the Greek: êthos, place where one lives, is what Aristotle called a way of being, character; something that the person can build, mold. The human being can shape his character, his way of being. The individual is not fatally determined to live being always the same; He can then build his way of being, to say it like the Greeks, his êthos. Let us ask now, how can the êthos be shaped? Through the creation of habits, which comes to constitute our way of being. Utilitarianism is an ethical system relatively easy to apply. To determine if an action is moral one must simply calculate the good and bad consequences that will result from a specific action. If the good overcomes the bad, then the action is moral. In utilitarianism avoids