The noonday devil is the demon of acedia, the vice also known as sloth. The word "sloth", however, can be misleading, for acedia is not laziness; in fact it can manifest as busyness or activism. Rather, acedia is a gloomy combination of weariness, sadness, and a lack of purposefulness. It robs a person of his capacity for joy and leaves him feeling empty, or void of meaning Abbot Nault says that acedia is the most oppressive of demons. Although...