But the real cause, it would seem, rests upon nature, and the case is not parallel to that of creditors; because in this there is no affection to the persons, but merely a wish for their preservation with a view to the return: whereas, in point of fact, they who have done kindnesses feel friendship and love for those to whom they have done them, even though they neither are, nor can by possibility hereafter be, in a position to serve their benefactors.
And this is the case also with artisans; every one, I mean, feels more affection for his own work than that work possibly could for him if it were animate. It is perhaps specially the case with poets: for these entertain very great affection for their poems, loving them as their own children. It is to this kind of thing I should be inclined to compare the case of benefactors: for the object of their kindness is their own work, and so they love this more than this loves its creator.
And the account of this is that existence is to all a thing