Even among those who gave themselves up wholly to the life spiritual he discouraged excessive austerity, forbidding them to fast excessively or to wear shirts of mail and bands of iron on their flesh, for these not only injured their health and lessened their usefulness, but hindered them in prayer and meditation and delight in the love of God.  Once, too, when it was revealed to him that a brother lay sleepless because of his weakness and the pinch of hunger, St. Francis rose, and, taking some bread with him, went to the brother's cell, and begged of him that they might eat that frugal fare together.  God gave us these bodies of ours, not that we might torture them unwisely, but that we might use their strength and comeliness in His service.