Eclesiastes 8
Augustine of Hippo · Comentário Patrístico (catena)
Eclesiastes 8:14
In fact, Solomon gives over the entire book of Ecclesiastes to suggesting, with such fullness as he judged adequate, the emptiness of this life, with the ultimate objective, to be sure, of making us yearn for another kind of life which is no unsubstantial shadow under the sun but substantial reality under the sun's Creator. For a person becomes as insubstantial as the insubstantiality that surrounds him, and it is by God's righteous decree that he, too, must pass away like a shadow. — City of God 20.3
Eclesiastes 8:15
Now, to be made a sharer at the table is to begin to have life, as we see from a text in Ecclesiastes: "There is no good for a man except what he shall eat and drink." How can we reasonably interpret these words save as an allusion to partaking at the table which the Mediator of the New Testament, priest according to the order of Melchizedek, provides with his own body and blood? This sacrifice, indeed, has taken the place of all the sacrifices of the Old Testament that foreshadowed it. — City of God 17.20