329. It can be established what use is from the end of the creation of the universe. The end of the creation of the universe is the existence of an angelic heaven. And because an angelic heaven is the end, man also or the human race is the end since heaven is from that. Hence it follows that all created things are mediate ends, and that thew are uses in that order, degree and respect in which they have relation to man, and through man to the Lord.