Now he puts not his ear unto my mouth, but his spiritual mouth unto Your fountain, and drinks as much as he is able, wisdom according to his desire—happy without end. Nor do I believe that he is so inebriated with it as to forget me, seeing Thou, O Lord, whom he drinks, art mindful of us. [Confessions IX.3]
They pray for us, and St. Augustine knew it. And now he prays for us himself!