Confessions of Saint Augustine Book IX

Let this be a warning, so that none of us may ascribe it to our own doing if we find that others, whose ways we wish to see reformed, are corrected by the words we speak

It was misery to feel myself so weak a victim of these human emotions, although we cannot escape them, since they are the natural lot of mankind, and so I had the added sorrow of being grieved by my own feelings, so that I was tormented by a twofold agony