In any case, Aristotle does not regard pleasure as a single thing that varies only in intensity and duration; it contains qualitative differences related to the activities to which it attaches. You are commenting using your Google account. He supports his remarks, however I do not believe that pleasure is the end and the mean of our purpose.
Utilitarianism, By John Stuart Mill
The first part points out that intuitionists have not been able to bring our intuitive moral judgments into a system. Today we routinely differentiate between hedonism as a theory of the good and utilitarianism as a consequentialist theory of the right. Judgments about justice approximate progressively the requirements of utilitarianism: The rules upon which the judgments about justice rest will be assessed in light of their tendency to promote happiness.