1. General considerations. Sickness, which is an evil, must be distinguished from physical trials to which man is exposed from without, such as hunger, exhaustion, or cold, and from moral trials, such as grief and afflictions of the heart. Sickness affects the human organism from within and tends of its nature to destroy that organism. A certain parallelism, then, can be discerned between health and life on the one hand and sickness and death on the other. W…