6 “The saints shall exult in glory”. I would say somewhat important about the glory of the saints. For there is no one who loves not glory. But the glory of fools, popular glory as it is called, has snares to deceive, so that a man, influenced by the praises of vain men, shall be willing to live in such fashion as to be spoken of by men, whosoever they be, in whatsoever way. Hence it is that men, rendered mad, and puffed up with pride, empty within, without swollen, are willing ever to ruin their fortunes by bestowing them on stage-players, actors, men who fight with wild beasts, charioteers.
What sums they give, what sums they spend! They lavish the powers not only of their patrimony, but of their minds too. They scorn the poor, because the people shouts not that the poor should be given to, but the people do shout that the fighter with wild beasts be given to. When then no shout is raised to them, they refuse to spend; when madmen shout to them, they are mad too: nay, all are mad, both performer, and spectator, and the giver. This mad glory is blamed by the Lord, is offensive in the eyes of the Almighty....Thou choosest to clothe the fighter with wild beasts, who may be beaten, and make you blush: Christ is never conquered; He has conquered the devil, He has conquered for you, and to you, and in you; such a conqueror as this you choose not to clothe.
Wherefore? Because there is less shouting, less madness about it. They then who delight in such glory, have an empty conscience. Just as they drain their chests, to send garments as presents, so do they empty their conscience, so as to have nothing precious therein.
Source: The Enarrations, or Expositions, on the Psalms (New Advent)