…What can you do to strengthen your resolutions and make them succeed? There is no better means than to put them into practice. But you say that you are still so weak that, although you often make strong resolutions not to fall into the particular imperfection of which you want to cure yourself, no sooner does the occasion present itself than down you go.
Shall I tell you why we are still so weak? It is because we will not abstain from food that does not agree with us. It is as if a person who wished to be free from pains in the stomach were to ask a physician what he should do. The doctor replies, ‘Do not eat such and such food, because it brings you pain’; and yet the person will not abstain from it. We do the same. For example, we should like to love reproof, and yet we obstinately cling to our own opinions. That is foolishness. You will never be strong enough to bear reproof courageously while you are nourishing yourself with the food of self-esteem.