Abba Poemen said, “Wrath is a natural thing in man, it is his nature, but it must be used to cut off evil passions. Hunger is natural in a man, but it must be employed in satisfying the want of the body, and not to gratify the feeling of eager lust to eat, even as the blessed David said, ‘With him whose eye is lofty and whose heart is greedy I have not eaten.’ Sleep, too, is natural in man, but it must not be indulged to satiety.” – Paradisus Patrum