The points proposed for consideration having been to some extent investigated, it remains to examine the argument from the end or final cause, which indeed has already emerged in what has been said, and only requires just so much attention and further discussion as may enable us to avoid the appearance of leaving unmentioned any of the matters briefly referred to by us, and thus indirectly damaging the subject or the division of topics made at the outset. For the sake of those present, therefore, and of others who may pay attention to this subject, it may be well just to signify that each of those things which are constituted by nature, and of those which are made by art, must have an end peculiar to itself, as indeed is taught us by the common sense of all men, and testified by the things that pass before our eyes. For do we not see that husbandmen have one end, and physicians another; and again, the things which spring out of the earth another, and the animals nourished upon it, and produced according to a certain natural series, another? If this is evident, and natural and artificial powers, and the actions arising from these, must by all means be accompanied by an end in accordance with nature, it is absolutely necessary that the end of men, since it is that of a peculiar nature, should be separated from community with the rest; for it is not lawful to suppose the same end for beings destitute of rational judgment, and of those whose actions are regulated by the innate law and reason, and who live an intelligent life and observe justice. Freedom from pain, therefore, cannot be the proper end for the latter, for this they would have in common with beings utterly devoid of sensibility: nor can it consist in the enjoyment of things which nourish or delight the body, or in an abundance of pleasures; else a life like that of the brutes must hold the first place, while that regulated by virtue is without a final cause. For such an end as this, I suppose, belongs to beasts and cattle, not to men possessed of an immortal soul and rational judgment.